User contributions
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- 08:53, 5 October 2023 (diff | hist) . . (+4) . . Flying trains (→Puzzle) (current)
- 15:33, 3 September 2019 (diff | hist) . . (-1) . . m Ball drop (→Puzzle) (current)
- 22:00, 17 July 2019 (diff | hist) . . (+411) . . Meta:Links (current)
- 20:52, 17 July 2019 (diff | hist) . . (+923) . . Meta:Links
- 20:22, 17 July 2019 (diff | hist) . . (-30) . . Template:Bradley PoW (current)
- 20:21, 17 July 2019 (diff | hist) . . (+21) . . Meta:Links
- 09:15, 26 October 2017 (diff | hist) . . (+294) . . N Ants on a cube (Created page with "This is a generalization of the first puzzle in Presh Talwalkar's ''Math Puzzles Volume 1''. == Puzzle == 8 ants sit on the vertices of a cube (floating in space). Each ant...") (current)
- 13:15, 1 October 2017 (diff | hist) . . (-1) . . Cents per cents (current)
- 08:32, 6 August 2017 (diff | hist) . . (+771) . . N Cents per cents (Created page with "This is my version of a puzzle I originally saw on [https://www.theguardian.com/science/2017/jun/19/can-you-solve-it-pythagorass-best-puzzles Alex Bellos's Puzzle Block]. ==P...")
- 07:16, 25 July 2017 (diff | hist) . . (+64) . . Next letter (added links.) (current)
- 07:14, 25 July 2017 (diff | hist) . . (+131) . . Next sequence (current)
- 07:10, 25 July 2017 (diff | hist) . . (+702) . . N Sequence next in sequence (Created page with "This sequence guessing puzzle hides a beautiful, well known sequence. ==Puzzle== What comes next: 1, 2, 2, 1, 1, 2, 1, ....? ==Help== {{Hint| Count the number of repeating...") (current)
- 20:19, 24 July 2017 (diff | hist) . . (+2) . . Wagon collision (→Help) (current)
- 20:18, 24 July 2017 (diff | hist) . . (+4) . . Wagon collision (→Help)
- 20:17, 24 July 2017 (diff | hist) . . (+4) . . Wagon collision (→Help)
- 20:17, 24 July 2017 (diff | hist) . . (+4) . . Wagon collision (→Help)
- 20:16, 24 July 2017 (diff | hist) . . (-1) . . Wagon collision (→Help)
- 20:16, 24 July 2017 (diff | hist) . . (+2) . . Wagon collision (→Help)
- 20:16, 24 July 2017 (diff | hist) . . (+8) . . Wagon collision (→Help)
- 20:15, 24 July 2017 (diff | hist) . . (-7) . . Wagon collision (→Help)
- 20:11, 24 July 2017 (diff | hist) . . (-6) . . One-way roads (→Puzzle) (current)
- 20:10, 24 July 2017 (diff | hist) . . (+6) . . One-way roads (→Puzzle)
- 15:23, 3 April 2016 (diff | hist) . . (+422) . . N Draft:Bpow101 (Created page with "Suppose you have 19 hexagons arranged in roughly a 3x3x3 hexagon (so there is a center hexagon, surrounded by 6, surrounded by 12, just like in Settlers of Catan). Place the...") (current)
- 19:15, 4 April 2015 (diff | hist) . . (+20) . . m Condominium (current)
- 10:21, 31 March 2015 (diff | hist) . . (0) . . N File:Trolls.png (current)
- 10:20, 31 March 2015 (diff | hist) . . (+2,223) . . N Too many trolls (Created page with "right|200px This is a logic puzzle I made up for UNC's Math Challenge Problem ==Puzzle== While walking through a fictional forest, you come upon a large...") (current)
- 11:04, 19 January 2015 (diff | hist) . . (-19) . . m Draft:Bpow29 (current)
- 12:21, 16 November 2014 (diff | hist) . . (+2,474) . . N Rabbit row (Created page with "Here is a puzzle based on a neat graph theory counting problem. ==Puzzle== Eleven white rabbits live in eleven white houses, all in a row. One day, the rabbits get together...") (current)
- 16:46, 10 November 2014 (diff | hist) . . (+541) . . N Domino circuit (Created page with "==Puzzle== A domino consists of two squares, each with some number of dots between 0 and 6 in each square. A standard ''double-six'' set of dominoes contains exactly one domi...") (current)
- 16:39, 10 November 2014 (diff | hist) . . (+600) . . N Penguin lineups (Created page with "Here is a counting problem based on Gilbreath permutations. ==Puzzle== You have 10 penguins, each a different height. You want to take a photo of the penguins in a single s...") (current)
- 16:18, 10 November 2014 (diff | hist) . . (+183) . . N Draft:Bpow65 (Created page with "Given any nine points in a unit square, must there be among the triangles having vertices on the given points at least one whose area is no more than 1/8? {{Bpow}} Categor...") (current)
- 16:15, 10 November 2014 (diff | hist) . . (+568) . . N Draft:Bpow64 (Created page with "A field in the shape of a right triangle is to be subdivided into two fields of equal size by building a straight fence between two sides of the field. If the lengths of the...") (current)
- 16:14, 10 November 2014 (diff | hist) . . (+395) . . N Draft:Bpow63 (Created page with "A straight bar of metal, initially 800 feet long, expands 8 inches in length. The ends are fixed so that the bar becomes distorted into the shape of an arc of a circle, for wh...") (current)
- 16:12, 10 November 2014 (diff | hist) . . (+247) . . N Draft:Bpow62 (Created page with "A rectangular block of wood has for its three dimensions a different odd prime number of inches. Its volume and (total) surface area are, respectively, a three digit number an...") (current)
- 16:06, 10 November 2014 (diff | hist) . . (+9) . . Draft:Bpow61 (current)
- 16:05, 10 November 2014 (diff | hist) . . (+443) . . N Draft:Bpow61 (Created page with "Two ferry boats sail back and forth across a river, each traveling at a constant speed, and turning back without any loss of time. They leave opposite shores at the same insta...")
- 15:59, 10 November 2014 (diff | hist) . . (+4) . . m Draft:Bpow60 (current)
- 15:59, 10 November 2014 (diff | hist) . . (+754) . . N Draft:Bpow60 (Created page with "Find an ordered list of positive integers, <m>a_1, a_2,\ldots</m> with the fewest possible integers, satisfying all the following properties: # Every positive integer is the...")
- 15:53, 10 November 2014 (diff | hist) . . (-7) . . Draft:Bpow59 (current)
- 15:50, 10 November 2014 (diff | hist) . . (+293) . . N Draft:Bpow59 (Created page with " Describe as explicitly as you can all cubic polynomials with integer coefficients having (a) three distinct real roots, (b) local maximum and minimum values at integers, and...")
- 15:49, 10 November 2014 (diff | hist) . . (+494) . . N Draft:Bpow58 (Created page with "Consider the graph of <m>f(x) = x^2</m>. Imagine a circle of radius 1 rolling along the x-axis toward the origin until the circle just comes into contact with the graph. Where...") (current)
- 15:46, 10 November 2014 (diff | hist) . . (+957) . . N Draft:Bpow57 (Created page with "My dog, Scooter, got a new leash for his birthday. This leash is made of a flexible rubber coil, much like that on the handset of your telephone, which stretches when Scooter...") (current)
- 15:43, 10 November 2014 (diff | hist) . . (+2) . . Draft:Bpow55 (current)
- 15:42, 10 November 2014 (diff | hist) . . (+295) . . N Draft:Bpow55 (Created page with "Take any two positive integers <m>N</m> and <m>a</m>. Show that <m>N^a</m> is the sum of <m>N</m> consecutive odd integers. As an easy example, note that <m>7^{13} = 96889...")
- 15:25, 10 November 2014 (diff | hist) . . (+9) . . m Draft:Bpow54 (current)
- 15:24, 10 November 2014 (diff | hist) . . (+263) . . N Draft:Bpow54 (Created page with " What is the largest figure eight which fits into a right triangle? For the purposes of the problem, the loops of the figure eight are of the same size. For the more adventur...")
- 21:16, 9 November 2014 (diff | hist) . . (+583) . . N Five card draw (Created page with "This puzzle was inspired by a magic trick performed by Ricky Jay on the tonight show. ==Puzzle== Take a well shuffled deck of cards and deal off 10, face up, in a single lin...") (current)
- 21:18, 8 November 2014 (diff | hist) . . (+5) . . MediaWiki:Sidebar (Undo revision 1337 by Oscarlevin (talk)) (current)
- 21:17, 8 November 2014 (diff | hist) . . (-1) . . Help:Contents (current)
- 21:16, 8 November 2014 (diff | hist) . . (+116) . . Help:Contents
- 21:14, 8 November 2014 (diff | hist) . . (-5) . . MediaWiki:Sidebar (Undo revision 1336 by Oscarlevin (talk))
- 21:10, 8 November 2014 (diff | hist) . . (+5) . . MediaWiki:Sidebar
- 21:04, 8 November 2014 (diff | hist) . . (-1,430) . . User talk:Oscarlevin (→Link) (current)
- 14:58, 2 September 2013 (diff | hist) . . (+307) . . N Draft:Bpow52 (Created page with "Put all the positive integers into a Christmas basket. Reach into the basket and pull one out. Write down the number and return it to the basket. Repeat this process until you...") (current)
- 14:55, 2 September 2013 (diff | hist) . . (+1,055) . . N Draft:Bpow51 (Created page with "Yesterday I watched a group of kids play a game at the park with a Frisbee -- a flying disk. As best I could tell, these were the rules to their game: One of them, the King, ...") (current)
- 14:54, 2 September 2013 (diff | hist) . . (+421) . . N Draft:Bpow50 (Created page with "The following problem was suggested by Al Zimmermann. Many Thanks! A mathematics professor and four mathematics students are in a square room, 10 feet on a side. The four stu...") (current)
- 14:52, 2 September 2013 (diff | hist) . . (+860) . . N Draft:Bpow49 (Created page with "The following problem was suggested by Alexander Freuman. Many Thanks! Several years ago, three suitors from three countries were vying for the hand of a lovely maiden. They ...") (current)
- 14:51, 2 September 2013 (diff | hist) . . (+12) . . Draft:Bpow48 (current)
- 14:50, 2 September 2013 (diff | hist) . . (+187) . . N Draft:Bpow48 (Created page with "Here's a curiosity: <m>(30 + 25)^2 = 3025</m> What other occurrences of this are there? For the more steely spined: Are there any such occurrences with numbers of more than...")
- 14:48, 2 September 2013 (diff | hist) . . (+584) . . N Draft:Bpow46 (Created page with "This problem was suggested by Bill Evans. Thanks, Bill. The captain of a luxury cruise ship wants to install windshield wipers on the portholes of the ship. The straight wipe...") (current)
- 14:46, 2 September 2013 (diff | hist) . . (+570) . . N Draft:Bpow45 (Created page with "Cover the squares of a 6 x 6 checkerboard with dominoes. Notice that in the example on the right, there is a way for you to cut the board and avoid cutting a domino, in fact,...") (current)
- 14:42, 2 September 2013 (diff | hist) . . (+1,077) . . N Draft:Bpow44 (Created page with "Take a deck of 52 playing cards consecutively numbered from 1 to 52. A perfect shuffle occurs when you divide the deck in two, one half in each hand, and riffle them together ...") (current)
- 14:40, 2 September 2013 (diff | hist) . . (+1,111) . . N Draft:Bpow43 (Created page with "This problem is courtesy of Mary Jane Sterling. Muchas Gracias. A band of pirates buried their treasure on an island. They chose a spot to bury it in the following manner. Al...") (current)
- 14:39, 2 September 2013 (diff | hist) . . (+637) . . N Draft:Bpow41 (Created page with "Look at the graph of <m>y = x^n</m>, with n > 1, in the first quadrant. Let P the point on the graph at distance s from the origin and Q the point with coordinates (s,0). The ...") (current)
- 09:18, 2 September 2013 (diff | hist) . . (-25) . . Draft:Bpow39 (current)
- 09:17, 2 September 2013 (diff | hist) . . (+477) . . N Draft:Bpow39 (Created page with "A priest and a pirate are shipwrecked on an island with a boat which is large enough to carry only one of them to the mainland. They decide to let Lady Luck decide which one o...")
- 09:16, 2 September 2013 (diff | hist) . . (+605) . . N Draft:Bpow37 (Created page with "This last weekend I saw an amazing thing: a bicycle with square wheels! More amazingly, it was being ridden very smoothly, with the rider suffering no awkward up or down motio...") (current)
- 09:13, 2 September 2013 (diff | hist) . . (+309) . . N Draft:Bpow36 (Created page with "A 7 foot ladder is leaning against a wall and just resting on a box which is 1 foot on a side. See figure. Precisely how high up the wall is the ladder sitting, assuming it is...") (current)
- 09:12, 2 September 2013 (diff | hist) . . (+563) . . N Draft:Bpow35 (Created page with "I have a d-digit positive integer where *each digit from 1 to d appears exactly once, and in which *each digit (except for the leftmost) differs from one further to the lef...") (current)
- 09:11, 2 September 2013 (diff | hist) . . (+890) . . N Draft:Bpow34 (Created page with "A mutiny takes place on the pirate ship "The Teutonic". Wanting to punish the mutineers and regain control of the ship, the captain puts the disloyal crew members off on diffe...") (current)
- 09:02, 2 September 2013 (diff | hist) . . (+240) . . N Draft:Bpow33 (Created page with "Pick 1998 points at random in the plane. Suppose no three of them lie on a line (which would be true if they were chosen truly at random). Is there always a line in the plane ...") (current)
- 09:01, 2 September 2013 (diff | hist) . . (+15) . . m Draft:Bpow32 (current)
- 09:01, 2 September 2013 (diff | hist) . . (+8) . . Draft:Bpow32
- 08:59, 2 September 2013 (diff | hist) . . (+454) . . N Draft:Bpow32 (Created page with "The following problem was suggested by John Haverhals. Many thanks. You may recall that a real number is called rational if it can be written as a fraction with integers in b...")
- 08:58, 2 September 2013 (diff | hist) . . (+224) . . N Draft:Bpow31 (Created page with "What is the smallest positive integer with the property that if the digit on the extreme right (i.e. the one's digit) is moved to the extreme left, the resulting number is one...") (current)
- 08:57, 2 September 2013 (diff | hist) . . (+1,209) . . N Draft:Bpow30 (Created page with "Many thanks to Mary Jane Sterling for bringing this problem to my attention. In the British Museum an ancient document was discovered bearing the following instructions, pres...") (current)
- 08:56, 2 September 2013 (diff | hist) . . (+10) . . Draft:Bpow29
- 08:56, 2 September 2013 (diff | hist) . . (-6) . . Draft:Bpow29
- 08:56, 2 September 2013 (diff | hist) . . (+170) . . N Draft:Bpow29 (Created page with "A fly sits on the corner of a solid wooden cube. What is the shortest distance it must travel in order to reach the opposite corner of the cube? {{Bpow}} {{Future MCP}}")
- 08:53, 2 September 2013 (diff | hist) . . (+483) . . N Draft:Bpow28 (Created page with "This past weekend I installed a new bi-fold door on a closet in the attic. The door consists of two panels, each one foot wide, hinged together in the middle. One side of one ...") (current)
- 08:53, 2 September 2013 (diff | hist) . . (+245) . . N Draft:Bpow26 (Created page with "This week's problem was submitted by Bradley instructor Bill Evans. Thanks, Bill! During each hour of the day there is a time when the minute hand and the hour hand of the cl...") (current)
- 10:46, 1 September 2013 (diff | hist) . . (-49) . . Draft:Bpow27 (current)
- 10:45, 1 September 2013 (diff | hist) . . (+389) . . N Draft:Bpow27 (Created page with "A triomino is an arrangement of three squares with a "corner" as sketched below -- note that the figure may be rotated through any multiple of 90 degrees _____ | | |...")
- 10:37, 1 September 2013 (diff | hist) . . (+257) . . N Draft:Bpow1997-25 (Created page with "This week's problem was submitted by Laura Wente, President of the Bradley University Chapter of the MAA. Suppose that n is a positive integer and that 2n + 1 is the square o...") (current)
- 10:36, 1 September 2013 (diff | hist) . . (+236) . . N Draft:Bpow1997-23 (Created page with "Let f(x) be a smooth (twice differentiable is good enough) function which is concave downward on the closed interval [a,b]. At which point(s) in the interval is the area betwe...") (current)
- 10:33, 1 September 2013 (diff | hist) . . (+348) . . N Draft:Bpow1997-20 (Created page with "This week's problem was provided (as penance) by Dr. Mike McAsey. Muchas Gracias Miguel! Consider all quadratic equations of the form <m>x^2 + px + q = 0</m> where the coef...") (current)
- 10:32, 1 September 2013 (diff | hist) . . (+207) . . N Draft:Bpow1997-19 (Created page with "Find a ten digit integer, N, with the property that the one's digit of N is the number of 9's in N, the ten's digit is the number of 8's, and so on, with the leading digit bei...") (current)
- 10:31, 1 September 2013 (diff | hist) . . (+870) . . N Draft:Bpow1997-18 (Created page with "One of the American states runs lottery in which players select five numbers from between 1 and 32 (inclusive). Each player may choose the numbers of their own liking or allow...") (current)
- 10:30, 1 September 2013 (diff | hist) . . (+696) . . N Draft:Bpow1997-16 (Created page with "This week's problem was submitted by Dr Libin Mou of the Bradley University Mathematics Department. T Original Problem: You have 12 Ping Pong balls. One of them is bad, which...") (current)
- 10:28, 1 September 2013 (diff | hist) . . (+438) . . N Draft:Bpow1997-15 (Created page with "Is it possible to label each of the edges of a regular cube (see figure below) with distinct positive integers (i.e. > 0) in such a way that: (a) the sum of the integers ass...") (current)
- 10:27, 1 September 2013 (diff | hist) . . (+1,142) . . N Draft:Bpow1997-14 (Created page with "An ant is crawling at a rate of one foot per minute along a strip of rubber which can be infinitely and uniformly stretched. The strip is initially one yard long and one inch ...") (current)
- 10:26, 1 September 2013 (diff | hist) . . (+369) . . N Draft:Bpow1997-13 (Created page with "You have a sheet of legal paper of size 8" by 13", having a surface area of 104 square inches, and seven standard sized 3" by 5" index cards, which together have a surface are...") (current)
- 10:25, 1 September 2013 (diff | hist) . . (+494) . . N Draft:Bpow1997-12 (Created page with "This week's problem was submitted by Professor Bill Evans. Thanks, Bill! At a cocktail party you are given a glass filled with your host's special secret cocktail. Unfortunat...") (current)
- 10:24, 1 September 2013 (diff | hist) . . (+479) . . N Draft:Bpow1997-11 (Created page with "A gambler has in his pocket a fair coin and a two-headed coin. He pulls one of the coins at random from his pocket and, when he flips it, it shows heads. (a) What is the proba...") (current)
- 10:22, 1 September 2013 (diff | hist) . . (+540) . . N Draft:Bpow1997-10 (Created page with "Consecutive primes are often far apart. In fact, show there are arbitrarily long sequences of consecutive non-prime integers. (Not only are consecutive primes often far apar...") (current)
- 10:21, 1 September 2013 (diff | hist) . . (+248) . . N Draft:Bpow1997-9 (Created page with "Consider the arrangement of four circles shown below. If the radius of the smaller blue circle is r, what is the radius of the larger red circles? Note: The larger red circles...") (current)
- 10:19, 1 September 2013 (diff | hist) . . (+645) . . N Draft:Bpow1997-8 (Created page with "Let S be a semicircle of radius R contained in the first quadrant and with center at (R,0). We define a function f from the positive reals to itself by the following procedure...") (current)
- 10:17, 1 September 2013 (diff | hist) . . (+11) . . m Draft:Bpow1997-7 (current)
- 10:17, 1 September 2013 (diff | hist) . . (+842) . . N Draft:Bpow1997-7 (Created page with "As spring approaches, many people put up birdhouses for wild birds -- thereby initiating the annual round of ``Squirrel Wars.'' Seasoned veterans of these wars have learned to...")
- 10:16, 1 September 2013 (diff | hist) . . (0) . . MediaWiki:Common.css (current)
- 10:16, 1 September 2013 (diff | hist) . . (+594) . . N Draft:Bpow1997-6 (Created page with "This week's Problem of the Week was submitted by Dr. David Quigg. Joe, Butch and Matilda have a free throw contest. Whoever makes the first free throw is the winner. Being the...") (current)
- 10:15, 1 September 2013 (diff | hist) . . (0) . . MediaWiki:Common.css
- 10:14, 1 September 2013 (diff | hist) . . (+787) . . N Draft:Bpow1997-5 (Created page with "A fly is standing on the outside of the central axis of a Ferris wheel. When one of the spokes of the Ferris wheel is pointing straight up, the fly starts crawling along the s...") (current)
- 10:13, 1 September 2013 (diff | hist) . . (0) . . MediaWiki:Common.css
- 10:11, 1 September 2013 (diff | hist) . . (0) . . MediaWiki:Common.css
- 10:09, 1 September 2013 (diff | hist) . . (+165) . . MediaWiki:Common.css
- 10:08, 1 September 2013 (diff | hist) . . (+354) . . N Draft:Bpow1997-4 (Created page with "At a recent meeting of the Bradley University Sport Club the following curious coincidence was observed. *Any two club members play a sport with one and only one other club me...") (current)
- 10:06, 1 September 2013 (diff | hist) . . (+95) . . Template:Bpow (current)
- 10:05, 1 September 2013 (diff | hist) . . (+976) . . N Draft:Bpow1997-3 (Created page with "A family of 25 cattle rustling brothers meets once a year to divide up their ill-gotten gains. Each brother brings in all the cattle he has stolen that year and the brothers t...") (current)
- 10:03, 1 September 2013 (diff | hist) . . (+2) . . m Draft:Bpow1997-2 (current)
- 10:03, 1 September 2013 (diff | hist) . . (+2,401) . . N Draft:Bpow1997-2 (Created page with "Bradley University is considering issuing new student ID cards (again!). Each student will be assigned a 5 digit identification number from 00000 to 99999. For ease in record ...")
- 10:01, 1 September 2013 (diff | hist) . . (+79) . . N Template:Bpow (Created page with "Problem by Alberto L Delgado, from the now extinct Bradley Problem of the Week.")
- 09:04, 1 September 2013 (diff | hist) . . (+3,300) . . N Draft:Bpow1997-1 (Created page with "I am on a long term scientific mission to the South Pole, In order to keep my spirits up we agree to play a game. I will pick a number between one and 10 (inclusive) and you t...") (current)
- 08:38, 1 September 2013 (diff | hist) . . (+49) . . N Draft:New puzzle (Created page with "This is a new proposed puzzle. Who can see this?") (current)
- 19:19, 18 July 2013 (diff | hist) . . (+37) . . Knight vs. dragon (current)
- 14:00, 18 July 2013 (diff | hist) . . (+40) . . Knight vs. dragon
- 13:54, 18 July 2013 (diff | hist) . . (+92) . . Marble madness (current)
- 13:50, 18 July 2013 (diff | hist) . . (-34) . . Soda machine (current)
- 13:49, 18 July 2013 (diff | hist) . . (+2) . . Soda machine
- 13:45, 18 July 2013 (diff | hist) . . (+40) . . N Template:Random puzzle (Created page with "Try a random puzzle") (current)
- 13:44, 18 July 2013 (diff | hist) . . (+793) . . Soda machine
- 13:17, 18 July 2013 (diff | hist) . . (-20) . . Template:Martin Gardner books (current)
- 11:18, 18 July 2013 (diff | hist) . . (+3) . . MediaWiki:Sidebar
- 19:48, 14 July 2013 (diff | hist) . . (+132) . . Help:Ways to contribute (current)
- 19:46, 14 July 2013 (diff | hist) . . (+139) . . Meta:Main Page (current)
- 19:34, 14 July 2013 (diff | hist) . . (+50) . . GO ON BOB (current)
- 19:31, 14 July 2013 (diff | hist) . . (+19) . . Template:Solution (current)
- 19:31, 14 July 2013 (diff | hist) . . (+19) . . Template:Answer (current)
- 19:31, 14 July 2013 (diff | hist) . . (+19) . . Template:Hint (current)
- 19:30, 14 July 2013 (diff | hist) . . (+2) . . Four travelers (current)
- 19:29, 14 July 2013 (diff | hist) . . (+1) . . Longest road (current)
- 19:29, 14 July 2013 (diff | hist) . . (-19) . . Template:Solution
- 19:28, 14 July 2013 (diff | hist) . . (-20) . . Template:Hint
- 19:27, 14 July 2013 (diff | hist) . . (-19) . . Template:Answer
- 19:26, 14 July 2013 (diff | hist) . . (-1) . . Template:Hint
- 19:26, 14 July 2013 (diff | hist) . . (+2) . . Template:Answer
- 19:26, 14 July 2013 (diff | hist) . . (-2) . . Template:Solution
- 19:24, 14 July 2013 (diff | hist) . . (-4) . . Template:Answer
- 19:23, 14 July 2013 (diff | hist) . . (0) . . Template:Answer
- 19:22, 14 July 2013 (diff | hist) . . (+20) . . Template:Solution
- 19:22, 14 July 2013 (diff | hist) . . (+19) . . Template:Hint
- 19:21, 14 July 2013 (diff | hist) . . (+20) . . Template:Answer
- 19:20, 14 July 2013 (diff | hist) . . (-18) . . Template:Hint
- 19:19, 14 July 2013 (diff | hist) . . (-1) . . Chests of logic 3 (current)
- 19:19, 14 July 2013 (diff | hist) . . (-1) . . Template:Solution
- 19:18, 14 July 2013 (diff | hist) . . (-1) . . Template:Answer
- 19:17, 14 July 2013 (diff | hist) . . (-1) . . Template:Hint
- 19:17, 14 July 2013 (diff | hist) . . (+2) . . Ten thieves (current)
- 19:16, 14 July 2013 (diff | hist) . . (-6) . . Template:Hint
- 19:13, 14 July 2013 (diff | hist) . . (+1) . . Template:Hint
- 19:12, 14 July 2013 (diff | hist) . . (+2) . . GO ON BOB
- 19:11, 14 July 2013 (diff | hist) . . (+1) . . Template:Hint
- 19:10, 14 July 2013 (diff | hist) . . (+1) . . Template:Hint
- 19:09, 14 July 2013 (diff | hist) . . (+2) . . Dice stack (current)
- 19:08, 14 July 2013 (diff | hist) . . (+4) . . Template:Hint
- 19:08, 14 July 2013 (diff | hist) . . (+3) . . Girl, boy and dog (current)
- 19:02, 14 July 2013 (diff | hist) . . (-26) . . Template:Hint
- 19:02, 14 July 2013 (diff | hist) . . (+7) . . Template:Hint
- 18:58, 14 July 2013 (diff | hist) . . (+9) . . Template:Hint
- 18:57, 14 July 2013 (diff | hist) . . (+29) . . Template:Hint
- 17:08, 14 July 2013 (diff | hist) . . (0) . . N File:Checkerboard dominoes.png (current)
- 17:08, 14 July 2013 (diff | hist) . . (+106) . . Checkerboard and dominoes (current)
- 17:01, 14 July 2013 (diff | hist) . . (-1) . . Longest road
- 17:00, 14 July 2013 (diff | hist) . . (0) . . m Checkerboard and dominoes (Oscarlevin moved page Checker board and dominoes to Checkerboard and dominoes)
- 17:00, 14 July 2013 (diff | hist) . . (+39) . . N Checker board and dominoes (Oscarlevin moved page Checker board and dominoes to Checkerboard and dominoes) (current)
- 17:00, 14 July 2013 (diff | hist) . . (+523) . . Checkerboard and dominoes
- 16:54, 14 July 2013 (diff | hist) . . (+59) . . Longest road
- 20:09, 13 July 2013 (diff | hist) . . (-4) . . m Help:Ways to contribute
- 20:08, 13 July 2013 (diff | hist) . . (+182) . . Help:Ways to contribute
- 19:59, 13 July 2013 (diff | hist) . . (0) . . Probably not transitive (current)
- 19:59, 13 July 2013 (diff | hist) . . (-1) . . Probably not transitive
- 19:57, 13 July 2013 (diff | hist) . . (0) . . N File:Probably not transitive.png (current)
- 19:56, 13 July 2013 (diff | hist) . . (+902) . . N Probably not transitive (Created page with "I first heard a similar version of this puzzle on the {{Math factor}}. ==Puzzle== Consider the following card game: the 2 through 10 of spades are placed in three piles of t...")
- 10:51, 13 July 2013 (diff | hist) . . (+67) . . Fuses (current)
- 10:47, 13 July 2013 (diff | hist) . . (+74) . . N Category:Place value (Created page with "These puzzles highlight the use of place value. Category: Math topics") (current)
- 10:39, 13 July 2013 (diff | hist) . . (+23) . . Condominium
- 10:36, 13 July 2013 (diff | hist) . . (+30) . . Lean meat (current)
- 10:35, 13 July 2013 (diff | hist) . . (+64) . . Round trip winds (current)
- 10:32, 13 July 2013 (diff | hist) . . (+33) . . Magic coin (current)
- 09:43, 13 July 2013 (diff | hist) . . (+60) . . Meta:Main Page
- 09:39, 13 July 2013 (diff | hist) . . (+21) . . N MediaWiki:Newestpages-limitlinks (Created page with "Show up to $1 puzzles") (current)
- 09:39, 13 July 2013 (diff | hist) . . (+54) . . N MediaWiki:Newestpages-showing (Created page with "Listing {{PLURAL:$1|newest puzzle|$1 newest puzzles}}:") (current)
- 09:38, 13 July 2013 (diff | hist) . . (+82) . . N MediaWiki:Newestpages-header (Created page with "'''This page lists the {{PLURAL:$1|newest page|$1 newest puzzles}} on the wiki.'''") (current)
- 09:37, 13 July 2013 (diff | hist) . . (+66) . . N MediaWiki:Newestpages-desc (Created page with "Shows the last X puzzles added to the wiki") (current)
- 09:37, 13 July 2013 (diff | hist) . . (+14) . . N MediaWiki:Newestpages (Created page with "Newest puzzles") (current)
- 09:36, 13 July 2013 (diff | hist) . . (-1) . . Meta:Main Page
- 09:27, 13 July 2013 (diff | hist) . . (+105) . . Meta:Main Page
- 09:19, 13 July 2013 (diff | hist) . . (-24) . . Meta:Main Page
- 09:16, 13 July 2013 (diff | hist) . . (+24) . . Meta:Main Page
- 16:10, 11 July 2013 (diff | hist) . . (+582) . . N Streaky dice (Created page with "Here is one of my favorite probability puzzles. ==Puzzle== You decide to introduce a new game to your casino called ''Streaky Dice.'' The rules are simple: the patron select...") (current)
- 15:52, 11 July 2013 (diff | hist) . . (+805) . . N Magic coin (Created page with "This puzzle is a modification of a problem from the William Lowell Putnam Mathematics Competition. ==Puzzle== A particular magic coin has the following strange property: on ...")
- 07:51, 9 July 2013 (diff | hist) . . (-44) . . Blind unshuffle (current)
- 07:50, 9 July 2013 (diff | hist) . . (+1) . . Checkerboard cut-up (current)
- 07:49, 9 July 2013 (diff | hist) . . (+4) . . Checkerboard cut-up
- 07:49, 9 July 2013 (diff | hist) . . (0) . . N File:Checkerboard cut-up.png (current)
- 07:47, 9 July 2013 (diff | hist) . . (+621) . . N Checkerboard cut-up (Created page with "right|150px Here is my version of a nice induction problem. ==Puzzle== You have a standard <m>8\times 8</m> checkerboard and a pair of scissors. ...")
- 22:30, 7 July 2013 (diff | hist) . . (+48) . . m Around the world
- 22:29, 7 July 2013 (diff | hist) . . (+48) . . m Round trip winds
- 22:27, 7 July 2013 (diff | hist) . . (+36) . . m Ten thieves
- 22:24, 7 July 2013 (diff | hist) . . (+516) . . Flying trains
- 22:14, 7 July 2013 (diff | hist) . . (+1) . . Dice stack
- 22:13, 7 July 2013 (diff | hist) . . (+32) . . Dice stack
- 10:18, 7 July 2013 (diff | hist) . . (0) . . Meta:Main Page
- 10:18, 7 July 2013 (diff | hist) . . (+172) . . Meta:Main Page
- 10:11, 7 July 2013 (diff | hist) . . (0) . . N File:SiteLogo.png (current)
- 10:08, 7 July 2013 (diff | hist) . . (-12) . . Harry Potter and the hall of 100 doors (current)
- 10:05, 7 July 2013 (diff | hist) . . (+16) . . Harry Potter and the hall of 100 doors
- 10:00, 7 July 2013 (diff | hist) . . (+47) . . Harry Potter and the hall of 100 doors
- 09:47, 7 July 2013 (diff | hist) . . (+51) . . Six weights (current)
- 09:45, 7 July 2013 (diff | hist) . . (-1) . . Nine weights (current)
- 09:44, 7 July 2013 (diff | hist) . . (-7) . . Nine weights
- 09:43, 7 July 2013 (diff | hist) . . (+52) . . Nine weights
- 09:38, 7 July 2013 (diff | hist) . . (+10) . . Category:Pigeonhole principle (current)
- 20:45, 6 July 2013 (diff | hist) . . (-29) . . Poppy party pizza (current)
- 20:44, 6 July 2013 (diff | hist) . . (+29) . . Poppy party pizza
- 20:42, 6 July 2013 (diff | hist) . . (+206) . . N Template:DMwD (Created page with "[http://www.amazon.com/gp/product/1466504994/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1466504994&linkCode=as2&tag=matpuzwik-20 Discrete Mathematics with ...") (current)
- 20:36, 6 July 2013 (diff | hist) . . (-1) . . Template:MCP (current)
- 20:33, 6 July 2013 (diff | hist) . . (0) . . Template:MCP
- 20:33, 6 July 2013 (diff | hist) . . (+63) . . N Template:MCP (Created page with "{{http://math.unco.edu/challenge|UNC's Math Challenge Problem}}")
- 20:32, 6 July 2013 (diff | hist) . . (+997) . . N Poppy party pizza (Created page with "This was recently a {{MCP}}, based on a problem in {{DMwD}}. ==Puzzle== You are making your famous 1 foot square party pizza. After rolling out the dough, you sprinkle on exa...")
- 20:18, 6 July 2013 (diff | hist) . . (+28) . . Template:Answer
- 20:17, 6 July 2013 (diff | hist) . . (+19) . . Template:Solution
- 19:54, 6 July 2013 (diff | hist) . . (+9) . . Template:Solution
- 19:50, 6 July 2013 (diff | hist) . . (-2) . . GO ON BOB
- 19:49, 6 July 2013 (diff | hist) . . (-1) . . Longest road
- 19:49, 6 July 2013 (diff | hist) . . (0) . . Template:Solution
- 19:48, 6 July 2013 (diff | hist) . . (+77) . . Template:Solution
- 19:47, 6 July 2013 (diff | hist) . . (+2) . . Template:Solution
- 19:46, 6 July 2013 (diff | hist) . . (-2) . . Template:Solution
- 19:45, 6 July 2013 (diff | hist) . . (+77) . . Template:Answer
- 19:44, 6 July 2013 (diff | hist) . . (+18) . . Template:Hint
- 19:42, 6 July 2013 (diff | hist) . . (0) . . Template:Hint
- 19:42, 6 July 2013 (diff | hist) . . (-3) . . Template:Hint
- 19:41, 6 July 2013 (diff | hist) . . (+207) . . Template:Hint
- 19:38, 6 July 2013 (diff | hist) . . (-10) . . Template:Hint
- 19:37, 6 July 2013 (diff | hist) . . (+1) . . Template:Hint
- 19:36, 6 July 2013 (diff | hist) . . (+2) . . Template:Hint
- 19:35, 6 July 2013 (diff | hist) . . (-154) . . Template:Hint
- 19:29, 6 July 2013 (diff | hist) . . (0) . . Template:Hint
- 19:28, 6 July 2013 (diff | hist) . . (0) . . Template:Hint
- 19:28, 6 July 2013 (diff | hist) . . (+2) . . Template:Hint
- 19:27, 6 July 2013 (diff | hist) . . (-10) . . Template:Hint
- 19:26, 6 July 2013 (diff | hist) . . (-6) . . Template:Hint
- 19:24, 6 July 2013 (diff | hist) . . (-28) . . Template:Hint
- 19:22, 6 July 2013 (diff | hist) . . (+29) . . Template:Hint
- 19:20, 6 July 2013 (diff | hist) . . (+26) . . Template:Hint
- 19:18, 6 July 2013 (diff | hist) . . (+4) . . Template:Hint
- 19:17, 6 July 2013 (diff | hist) . . (+6) . . Template:Hint
- 19:16, 6 July 2013 (diff | hist) . . (+3) . . Template:Hint
- 19:14, 6 July 2013 (diff | hist) . . (-11) . . Template:Hint
- 19:05, 6 July 2013 (diff | hist) . . (+5,037) . . MediaWiki:Mobile.js (current)
- 19:01, 6 July 2013 (diff | hist) . . (+1,927) . . N MediaWiki:Mobile.css (Created page with "→CSS placed here will affect users of the mobile site: →Default skin for navigation boxes: table.navbox { →Navbox container style: border: 1px solid ...") (current)
- 17:21, 6 July 2013 (diff | hist) . . (+29) . . MediaWiki:Mobile.js
- 17:18, 6 July 2013 (diff | hist) . . (+7,478) . . N MediaWiki:Mobile.js (Created page with "→Any JavaScript here will be loaded for users using the mobile site: ** Collapsible tables ********************************************************* * * Description: A...")
- 17:09, 6 July 2013 (diff | hist) . . (+67) . . Meta:Main Page
- 17:07, 6 July 2013 (diff | hist) . . (0) . . Meta:Main Page
- 17:06, 6 July 2013 (diff | hist) . . (+25) . . Meta:Main Page
- 14:41, 6 July 2013 (diff | hist) . . (+5) . . Wrong clocks (current)
- 14:40, 6 July 2013 (diff | hist) . . (-2) . . Wrong clocks
- 14:39, 6 July 2013 (diff | hist) . . (-8) . . Marble madness
- 14:34, 6 July 2013 (diff | hist) . . (-32) . . Template:Solution
- 14:34, 6 July 2013 (diff | hist) . . (+683) . . Template:Hint
- 14:32, 6 July 2013 (diff | hist) . . (-2) . . Template:Answer
- 14:32, 6 July 2013 (diff | hist) . . (+695) . . Template:Answer
- 14:30, 6 July 2013 (diff | hist) . . (+31) . . Template:Solution
- 14:28, 6 July 2013 (diff | hist) . . (+3) . . Fair biased coin (current)
- 14:28, 6 July 2013 (diff | hist) . . (+101) . . Template:Solution
- 14:26, 6 July 2013 (diff | hist) . . (+29) . . Template:Solution
- 14:25, 6 July 2013 (diff | hist) . . (+574) . . Template:Solution
- 10:36, 6 July 2013 (diff | hist) . . (-30) . . Help:Editing (current)
- 10:35, 6 July 2013 (diff | hist) . . (-40) . . Help:Editing
- 10:31, 6 July 2013 (diff | hist) . . (-4) . . m Wagon collision
- 10:30, 6 July 2013 (diff | hist) . . (+68) . . Wagon collision
- 10:27, 6 July 2013 (diff | hist) . . (+1) . . N Template:= (Created page with "=") (current)
- 22:28, 3 July 2013 (diff | hist) . . (+206) . . m Multiple locks (current)
- 22:23, 3 July 2013 (diff | hist) . . (-245) . . Template:Needs hint (Replaced content with " Category: Needs hint") (current)
- 22:23, 3 July 2013 (diff | hist) . . (+51) . . m Six weights
- 14:30, 30 June 2013 (diff | hist) . . (-67) . . Eight options with six sides (current)
- 14:11, 30 June 2013 (diff | hist) . . (+186) . . N Category:Magic tricks (Created page with "These puzzles are formulated as a magic trick - your job is to figure out how the trick works. They might also make good magic tricks to impress your friends. Category:Puz...") (current)
- 14:10, 30 June 2013 (diff | hist) . . (+26) . . Category:Game theory (current)
- 14:10, 30 June 2013 (diff | hist) . . (+27) . . Category:Games (current)
- 14:09, 30 June 2013 (diff | hist) . . (+30) . . Category:Game theory
- 14:08, 30 June 2013 (diff | hist) . . (+27) . . Category:Games
- 14:05, 30 June 2013 (diff | hist) . . (+91) . . N Category:Games (Created page with "These puzzles are phrased as a game, but might not be examples of combinatorial game theory")
- 14:03, 30 June 2013 (diff | hist) . . (+67) . . N Category:Game theory (Created page with "Puzzles in this category are examples of combinatorial game theory.")
- 14:00, 30 June 2013 (diff | hist) . . (+187) . . GO ON BOB
- 13:55, 30 June 2013 (diff | hist) . . (0) . . Template:Answer
- 13:53, 30 June 2013 (diff | hist) . . (0) . . Template:Solution
- 13:52, 30 June 2013 (diff | hist) . . (0) . . Template:Answer
- 13:47, 30 June 2013 (diff | hist) . . (0) . . Template:Hint
- 13:45, 30 June 2013 (diff | hist) . . (+172) . . Ten bags of gold (current)
- 13:43, 30 June 2013 (diff | hist) . . (-264) . . Template:Needs solution (current)
- 13:43, 30 June 2013 (diff | hist) . . (-254) . . Template:Needs answer (Replaced content with " Category: Needs answer") (current)
- 13:41, 30 June 2013 (diff | hist) . . (+15) . . Three sons (current)
- 13:39, 30 June 2013 (diff | hist) . . (+64) . . Help:Hints, answers and solutions (current)
- 13:34, 30 June 2013 (diff | hist) . . (-20) . . Help:Ways to contribute
- 13:28, 30 June 2013 (diff | hist) . . (-18) . . Template:Solution
- 13:27, 30 June 2013 (diff | hist) . . (-18) . . Template:Answer
- 16:19, 29 June 2013 (diff | hist) . . (-1) . . Wagon collision
- 16:18, 29 June 2013 (diff | hist) . . (+1) . . Wagon collision
- 16:17, 29 June 2013 (diff | hist) . . (+1) . . m Sharing water (current)
- 17:22, 28 June 2013 (diff | hist) . . (+1) . . m Longest road
- 20:00, 11 May 2013 (diff | hist) . . (-1) . . Template:Answer (Undo revision 1073 by Oscarlevin (talk))
- 20:00, 11 May 2013 (diff | hist) . . (-48) . . Template:Answer (Undo revision 1074 by Oscarlevin (talk))
- 19:57, 11 May 2013 (diff | hist) . . (+48) . . Template:Answer
- 19:56, 11 May 2013 (diff | hist) . . (+1) . . Template:Answer
- 19:54, 11 May 2013 (diff | hist) . . (-68) . . Template:Hint
- 19:52, 11 May 2013 (diff | hist) . . (+68) . . Template:Hint
- 19:33, 11 May 2013 (diff | hist) . . (0) . . GO ON BOB
- 19:27, 11 May 2013 (diff | hist) . . (-5) . . m Prisoners in red hats (current)
- 19:24, 11 May 2013 (diff | hist) . . (+7) . . m One-way roads
- 19:22, 11 May 2013 (diff | hist) . . (-3) . . m Milk and coffee (current)
- 14:56, 17 March 2013 (diff | hist) . . (+956) . . N Longest road (Created page with "Grid-town USA, in addition to its excellent donut shops, is known for its precisely laid out grid of streets and avenues. The town has 12 avenues running east/west, creativel...")
- 13:01, 17 March 2013 (diff | hist) . . (+8) . . m Quarter cover (current)
- 13:00, 17 March 2013 (diff | hist) . . (+1) . . m Meta:Links
- 13:00, 17 March 2013 (diff | hist) . . (+215) . . N Template:Winkler book (Created page with "[http://www.amazon.com/gp/product/1568812019/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1568812019&linkCode=as2&tag=matpuzwik-20 Mathematical Puzzles: A Co...") (current)
- 12:59, 17 March 2013 (diff | hist) . . (+5) . . Meta:Links
- 12:58, 17 March 2013 (diff | hist) . . (-5) . . Template:Math Factor (current)
- 12:57, 17 March 2013 (diff | hist) . . (+50) . . N Template:Math Factor (Created page with "[http://mathfactor.uark.edu/ Math Factor] podcast.")
- 12:56, 17 March 2013 (diff | hist) . . (+163) . . N Template:Winkler (Created page with "[http://www.amazon.com/gp/product/1568812019/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1568812019&linkCode=as2&tag=matpuzwik-20 Peter Winkler]") (current)
- 12:54, 17 March 2013 (diff | hist) . . (+424) . . N MediaWiki:Spam-whitelist (Created page with " #<!-- leave this line exactly as it is --> <pre> # External URLs matching this list will *not* be blocked even if they would # have been blocked by blacklist entries. # # Syn...") (current)
- 21:05, 16 March 2013 (diff | hist) . . (+54) . . Meta:Links
- 15:11, 16 March 2013 (diff | hist) . . (-17) . . m Consecutive hot dogs
- 15:10, 16 March 2013 (diff | hist) . . (-19) . . m Tommy's snack (current)
- 15:09, 16 March 2013 (diff | hist) . . (+19) . . Let's make another deal (current)
- 15:05, 16 March 2013 (diff | hist) . . (-17) . . Chests of logic 4 (current)
- 14:07, 16 March 2013 (diff | hist) . . (+1,670) . . N Die Hard III (current)
- 07:17, 5 December 2012 (diff | hist) . . (+411) . . N Blind unshuffle (Created page with "Imagine you are in a pitch-black room with a standard deck of playing cards. You have been told that 10 cards in the deck are face-up and the other 42 are face-down. In order ...")
- 17:20, 25 November 2012 (diff | hist) . . (+798) . . N Sum ratio (Created page with "Here is a puzzle magic trick to amaze your friends ==Puzzle== The magician asks a volunteer to secretly pick any two 2-digit numbers and add them together. The the magician...") (current)
- 16:57, 18 October 2012 (diff | hist) . . (+1) . . User:Oscarlevin (current)
- 16:56, 18 October 2012 (diff | hist) . . (+129) . . User:Oscarlevin
- 16:54, 18 October 2012 (diff | hist) . . (+88) . . MediaWiki:Prefs-help-email (current)
- 09:40, 19 August 2012 (diff | hist) . . (-18) . . Cryptarithmetic (current)
- 09:40, 19 August 2012 (diff | hist) . . (+75) . . One-way roads
- 09:38, 19 August 2012 (diff | hist) . . (+433) . . N One-way roads (Created page with "Found this one on the SUNY Stony Brook Math Problem of the Month archives. ==Puzzle== A county has n > 4 cities. Is it possible to connect some pairs of cities by one-way ro...")
- 15:16, 19 June 2012 (diff | hist) . . (-128) . . MediaWiki:Categorytree-member-num (Replaced content with "($1)") (current)
- 15:14, 19 June 2012 (diff | hist) . . (+132) . . N MediaWiki:Categorytree-member-num (Created page with "({{#ifeq:$4|0|empty|{{#ifeq:$1|0||$1 C{{#ifeq:{{#expr:$3+$2}}|0||,}}}} {{#ifeq:$2|0||$2 P{{#ifeq:$3|0||,}}}} {{#ifeq:$3|0||$3 F}}}})")
- 09:43, 16 January 2012 (diff | hist) . . (+5) . . Consecutive hot dogs (→Help)
- 09:10, 12 January 2012 (diff | hist) . . (-283) . . Consecutive hot dogs
- 17:26, 11 January 2012 (diff | hist) . . (+327) . . N MediaWiki:Prefs-help-email (Created page with "E-mail address is optional, however you will not be able to edit pages until you have confirmed an email address. Additionally, an email address is needed for password resets, s...")
- 16:56, 11 January 2012 (diff | hist) . . (-12) . . Seven elevators (current)
- 10:21, 26 November 2011 (diff | hist) . . (-34) . . MediaWiki:Spam-blacklist (current)
- 10:21, 26 November 2011 (diff | hist) . . (+65) . . MediaWiki:Spam-blacklist
- 09:39, 22 November 2011 (diff | hist) . . (+10) . . MediaWiki:Spam-blacklist
- 08:33, 17 November 2011 (diff | hist) . . (+11) . . MediaWiki:Spam-blacklist
- 22:25, 27 September 2011 (diff | hist) . . (+14) . . MediaWiki:Spam-blacklist
- 19:47, 23 September 2011 (diff | hist) . . (+17) . . MediaWiki:Spam-blacklist
- 19:46, 23 September 2011 (diff | hist) . . (+10) . . MediaWiki:Spam-blacklist
- 20:49, 13 September 2011 (diff | hist) . . (+5) . . MediaWiki:Spam-blacklist
- 22:14, 11 September 2011 (diff | hist) . . (+120) . . N Help talk:Wiki Page Guidance (Created page with "Not sure we need this. What do you think should go here? ~~~~") (current)
- 22:13, 11 September 2011 (diff | hist) . . (0) . . m Help:Wiki Page Guidance (moved Wiki Page Guidance to Help:Wiki Page Guidance) (current)
- 21:48, 10 September 2011 (diff | hist) . . (+9) . . MediaWiki:Spam-blacklist
- 17:24, 8 September 2011 (diff | hist) . . (+248) . . N Sum of product and sum (Created page with "Start with the numbers from 1 to 100. Take any two and replace them by the sum of their product and sum. Repeat until one number remains. What number is it? [[Category:Algeb...") (current)
- 17:15, 8 September 2011 (diff | hist) . . (0) . . m Help:Media Wiki formatting explained (moved Media Wiki formatting explained to Help:Media Wiki formatting explained) (current)
- 17:14, 8 September 2011 (diff | hist) . . (0) . . m Help:Submission Guidance (moved Mediawiki Submission Guidance to Help:Submission Guidance: Help pages should be in the Help namespace) (current)
- 07:02, 7 September 2011 (diff | hist) . . (+19) . . MediaWiki:Spam-blacklist
- 21:00, 2 September 2011 (diff | hist) . . (+12) . . MediaWiki:Spam-blacklist
- 07:37, 31 August 2011 (diff | hist) . . (+11) . . MediaWiki:Spam-blacklist
- 15:44, 19 August 2011 (diff | hist) . . (+14) . . MediaWiki:Spam-blacklist
- 06:32, 18 August 2011 (diff | hist) . . (+16) . . MediaWiki:Spam-blacklist
- 11:02, 30 July 2011 (diff | hist) . . (+18) . . MediaWiki:Spam-blacklist
- 16:13, 20 July 2011 (diff | hist) . . (-3) . . Lying monkey (current)
- 16:09, 20 July 2011 (diff | hist) . . (+10) . . Five digits and one (current)
- 16:07, 20 July 2011 (diff | hist) . . (+20) . . Fair biased coin
- 16:04, 20 July 2011 (diff | hist) . . (-12) . . Ball drop
- 16:02, 20 July 2011 (diff | hist) . . (-1) . . Hotel change (current)
- 16:01, 20 July 2011 (diff | hist) . . (-9) . . Hotel change
- 15:57, 20 July 2011 (diff | hist) . . (+1) . . MediaWiki:Spam-blacklist
- 15:57, 20 July 2011 (diff | hist) . . (+2) . . MediaWiki:Spam-blacklist
- 15:53, 20 July 2011 (diff | hist) . . (+13) . . MediaWiki:Spam-blacklist
- 10:01, 20 July 2011 (diff | hist) . . (+24) . . MediaWiki:Spam-blacklist
- 09:59, 20 July 2011 (diff | hist) . . (+1) . . MediaWiki:Spam-blacklist
- 09:59, 20 July 2011 (diff | hist) . . (-4) . . MediaWiki:Spam-blacklist
- 09:58, 20 July 2011 (diff | hist) . . (+1) . . MediaWiki:Spam-blacklist
- 09:57, 20 July 2011 (diff | hist) . . (+2) . . MediaWiki:Spam-blacklist
- 09:53, 20 July 2011 (diff | hist) . . (-1) . . MediaWiki:Spam-blacklist
- 09:52, 20 July 2011 (diff | hist) . . (+13) . . MediaWiki:Spam-blacklist
- 09:47, 20 July 2011 (diff | hist) . . (+2) . . MediaWiki:Spam-blacklist
- 09:40, 20 July 2011 (diff | hist) . . (0) . . MediaWiki:Spam-blacklist
- 09:40, 20 July 2011 (diff | hist) . . (-1) . . MediaWiki:Spam-blacklist
- 09:39, 20 July 2011 (diff | hist) . . (-1) . . MediaWiki:Spam-blacklist
- 09:37, 20 July 2011 (diff | hist) . . (+1) . . MediaWiki:Spam-blacklist
- 09:36, 20 July 2011 (diff | hist) . . (+12) . . MediaWiki:Spam-blacklist
- 22:27, 19 July 2011 (diff | hist) . . (+539) . . N MediaWiki:Spam-blacklist (Created page with " # External URLs matching this list will be blocked when added to a page. # This list affects only this wiki; refer also to the global blacklist. # For documentation see http:/...")
- 20:04, 19 July 2011 (diff | hist) . . (-1) . . MediaWiki:Enotif body (current)
- 20:03, 19 July 2011 (diff | hist) . . (-1) . . MediaWiki:Enotif subject (current)
- 20:03, 19 July 2011 (diff | hist) . . (-3) . . MediaWiki:Viewprevnext (current)
- 20:02, 19 July 2011 (diff | hist) . . (-3) . . MediaWiki:Undelete-show-file-confirm (current)
- 20:02, 19 July 2011 (diff | hist) . . (-4) . . MediaWiki:Trackbackexcerpt (current)
- 20:01, 19 July 2011 (diff | hist) . . (-4) . . MediaWiki:Trackback (current)
- 20:01, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Siteusers (current)
- 20:01, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Shown-title (current)
- 20:00, 19 July 2011 (diff | hist) . . (-3) . . MediaWiki:Showingresultsnum (current)
- 20:00, 19 July 2011 (diff | hist) . . (-3) . . MediaWiki:Showingresults (current)
- 19:59, 19 July 2011 (diff | hist) . . (-6) . . MediaWiki:Revision-nav (current)
- 19:59, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Revision-info (current)
- 19:58, 19 July 2011 (diff | hist) . . (-3) . . m MediaWiki:Rclinks (current)
- 19:58, 19 July 2011 (diff | hist) . . (-3) . . MediaWiki:Patrol-log-line (current)
- 19:58, 19 July 2011 (diff | hist) . . (-3) . . MediaWiki:Pagemerge-logentry (current)
- 19:57, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Enotif subject
- 19:57, 19 July 2011 (diff | hist) . . (-10) . . MediaWiki:Enotif body
- 19:56, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Emailuserfooter (current)
- 19:56, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Emailccsubject (current)
- 19:55, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Emailauthenticated (current)
- 19:55, 19 July 2011 (diff | hist) . . (-1) . . MediaWiki:Currentrev-asof (current)
- 19:55, 19 July 2011 (diff | hist) . . (-4) . . MediaWiki:Confirmrecreate (current)
- 19:54, 19 July 2011 (diff | hist) . . (-5) . . MediaWiki:Confirmemail body (current)
- 17:22, 19 July 2011 (diff | hist) . . (-4) . . MediaWiki:Searchsubtitle (current)
- 17:21, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Watchlistcontains (current)
- 17:21, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Widthheight (current)
- 17:21, 19 July 2011 (diff | hist) . . (-4) . . MediaWiki:Widthheightpage (current)
- 17:20, 19 July 2011 (diff | hist) . . (-5) . . MediaWiki:Xml-error-string (current)
- 17:19, 19 July 2011 (diff | hist) . . (+199) . . Help:Latex (current)
- 17:13, 19 July 2011 (diff | hist) . . (-2) . . MediaWiki:Badsiglength (current)
- 17:08, 19 July 2011 (diff | hist) . . (+1) . . m Ten thieves
- 05:40, 5 May 2011 (diff | hist) . . (-18) . . Monk's walk (current)
- 05:39, 5 May 2011 (diff | hist) . . (+1) . . Cryptarithmetic
- 05:37, 5 May 2011 (diff | hist) . . (+545) . . N Cryptarithmetic (Created page with "Cryptarithmetic puzzles are arithmetic problems made of letters instead of numbers. The goal is to replace each letter with a single, unique digit in order to make the arithmeti...")
- 13:35, 22 April 2011 (diff | hist) . . (-1,304) . . User talk:Zhanxiaoli (Replaced content with "No spam please.") (current)
- 13:35, 22 April 2011 (diff | hist) . . (-1,481) . . User:Zhanxiaoli (Replaced content with "This is not the place for that. This is your final warning - post spam again and you will be banned.") (current)
- 09:36, 14 February 2011 (diff | hist) . . (+44) . . Monty Hall problem (current)
- 09:35, 14 February 2011 (diff | hist) . . (+780) . . N Let's make another deal (Created page with "Here is a retelling of a nice puzzle I heard on the {{Car Talk}}. ==Puzzle== Monty Hall has decided to switch up his usual game. This time, he offers the contestant three door...")
- 10:36, 29 January 2011 (diff | hist) . . (+37) . . Chests of logic 4
- 10:33, 29 January 2011 (diff | hist) . . (0) . . m Chests of logic 3 (moved Three chests to Chests of logic 3: Bring in line with the series of similar puzzles.)
- 10:33, 29 January 2011 (diff | hist) . . (+31) . . N Three chests (moved Three chests to Chests of logic 3: Bring in line with the series of similar puzzles.) (current)
- 10:32, 29 January 2011 (diff | hist) . . (+49) . . Chests of logic 3
- 10:30, 29 January 2011 (diff | hist) . . (+75) . . Chests of logic (current)
- 10:28, 29 January 2011 (diff | hist) . . (+994) . . N Chests of logic 4 (Created page with "I made this one up for my discrete math students. I'm not sure if it is easy or not. ==Puzzle== As you enter the chamber, your eyes immediately fall on the four chests. One ...")
- 10:22, 29 January 2011 (diff | hist) . . (+18) . . Monk's walk
- 10:20, 29 January 2011 (diff | hist) . . (+18) . . Consecutive hot dogs
- 10:20, 29 January 2011 (diff | hist) . . (0) . . Tommy's snack
- 10:20, 29 January 2011 (diff | hist) . . (+19) . . Tommy's snack
- 10:19, 29 January 2011 (diff | hist) . . (+106) . . Meta:Main Page
- 13:31, 25 January 2011 (diff | hist) . . (+545) . . N Tommy's snack (Created page with "Here is a logic puzzle I made up for my Math 173 students to practice with negation and the other logical connectives. ==Puzzle== Tommy Flanagan was telling you what he ate yes...")
- 17:15, 17 January 2011 (diff | hist) . . (-8,921) . . User talk:Oscarlevin
- 17:13, 17 January 2011 (diff | hist) . . (+272) . . User:Oscarlevin
- 17:11, 17 January 2011 (diff | hist) . . (+688) . . MathPuzzleWiki:About (current)
- 16:59, 17 January 2011 (diff | hist) . . (+42) . . Consecutive hot dogs
- 12:59, 13 January 2011 (diff | hist) . . (+144) . . Consecutive hot dogs
- 12:53, 13 January 2011 (diff | hist) . . (+11) . . Consecutive hot dogs
- 12:50, 13 January 2011 (diff | hist) . . (+6) . . Consecutive hot dogs
- 12:50, 13 January 2011 (diff | hist) . . (+878) . . Consecutive hot dogs
- 15:08, 11 January 2011 (diff | hist) . . (+1) . . Consecutive hot dogs
- 15:00, 11 January 2011 (diff | hist) . . (+1) . . m Category:Discrete math (current)
- 15:00, 11 January 2011 (diff | hist) . . (+88) . . N Category:Discrete math (Created page with "Here are some puzzle illustrating ideas from the broad category of discrete mathematics.")
- 14:59, 11 January 2011 (diff | hist) . . (+1,092) . . N Consecutive hot dogs (Created page with "Here is a puzzle I made up after hearing a nice number theory result from Steve Leth. ==Puzzle== At the warm-up event for Oscar’s All Star Hot Dog Eating Contest, Alvin ate a...")
- 13:07, 10 January 2011 (diff | hist) . . (0) . . m Help:Editing
- 13:06, 10 January 2011 (diff | hist) . . (+430) . . Help:Editing
- 07:56, 29 December 2010 (diff | hist) . . (+788) . . Talk:Eight options with six sides (current)
- 07:39, 29 December 2010 (diff | hist) . . (+64) . . Eight options with six sides
- 19:57, 20 December 2010 (diff | hist) . . (+1) . . Dice stack
- 19:57, 20 December 2010 (diff | hist) . . (+77) . . N Category:Arithmetic (Created page with "These puzzles are mostly about basic arithmetic. Doesn't mean they are easy.") (current)
- 19:56, 20 December 2010 (diff | hist) . . (+1,433) . . N Dice stack (Created page with "Here is a puzzle from one of the Professor Layton games. == Puzzle== You have three regular six-sided dice. You are to stack the dice in a single column. The bottom die shoul...")
- 13:45, 14 December 2010 (diff | hist) . . (+1,157) . . Fruit boxes (current)
- 10:24, 6 December 2010 (diff | hist) . . (+10) . . Fuses
- 10:23, 6 December 2010 (diff | hist) . . (+91) . . Fuses
- 12:09, 2 December 2010 (diff | hist) . . (+54) . . Detective Merlin (current)
- 09:40, 1 December 2010 (diff | hist) . . (+1,475) . . Patriotic chameleons (current)
- 14:25, 30 November 2010 (diff | hist) . . (+653) . . N Patriotic chameleons (Created page with "This is a problem I saw on someone's Putnam Exam review sheet. ==Puzzle== For last year's 4th of July party, you bought 2010 chameleons: an equal number colored red, white, and...")
- 22:27, 24 November 2010 (diff | hist) . . (+27) . . Category:Calculus (current)
- 22:27, 24 November 2010 (diff | hist) . . (+45) . . N Category:Calculus (Created page with "These puzzles illustrate ideas from calculus.")
- 22:26, 24 November 2010 (diff | hist) . . (+580) . . N Pizza split (Created page with "You order a pizza from A1-Discount Pizza Delivers. They are incredibly cheap, but the pizza quality leaves something to be desired. The pizza you get is completely deformed (no...")
- 07:00, 24 November 2010 (diff | hist) . . (+94) . . User talk:Ocafaromy (current)
- 06:52, 24 November 2010 (diff | hist) . . (-463) . . m Girl, boy and dog (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:52, 24 November 2010 (diff | hist) . . (-487) . . m Three princesses (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:52, 24 November 2010 (diff | hist) . . (-491) . . m Next number (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:52, 24 November 2010 (diff | hist) . . (-463) . . m Commuter (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:52, 24 November 2010 (diff | hist) . . (-443) . . m Cannibals and missionaries (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:52, 24 November 2010 (diff | hist) . . (-463) . . m Template:Needs math (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:52, 24 November 2010 (diff | hist) . . (-731) . . m Around the world (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi)
- 06:52, 24 November 2010 (diff | hist) . . (-445) . . m Fruit boxes (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:52, 24 November 2010 (diff | hist) . . (-457) . . m Five pirates (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:52, 24 November 2010 (diff | hist) . . (-489) . . m Green eyed dragons (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-605) . . m Help:Editing (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:51, 24 November 2010 (diff | hist) . . (-443) . . m Eight weights (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-461) . . m Farmer and the boat (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-485) . . m Ten thieves (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:51, 24 November 2010 (diff | hist) . . (-445) . . m Poison (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-459) . . m Red vs black (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-463) . . m Nine minute fuse (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-463) . . m Flying trains (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:51, 24 November 2010 (diff | hist) . . (-465) . . m Two EGGs (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:51, 24 November 2010 (diff | hist) . . (-457) . . m Blank dice (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi) (current)
- 06:50, 24 November 2010 (diff | hist) . . (-459) . . m Three digit magic (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi) (current)
- 06:50, 24 November 2010 (diff | hist) . . (-457) . . m Three sons (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:50, 24 November 2010 (diff | hist) . . (-495) . . m High school play (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:50, 24 November 2010 (diff | hist) . . (-479) . . m User talk:Oscarlevin (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi)
- 06:50, 24 November 2010 (diff | hist) . . (-443) . . m Two guards (Reverted edits by Ocafaromy (talk) to last revision by Zerrakhi) (current)
- 06:50, 24 November 2010 (diff | hist) . . (-467) . . m Talk:Die Hard III (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:50, 24 November 2010 (diff | hist) . . (-439) . . m Twelve weights (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:50, 24 November 2010 (diff | hist) . . (-461) . . m Times of day (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:46, 24 November 2010 (diff | hist) . . (-493) . . m Forty thieves (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 06:46, 24 November 2010 (diff | hist) . . (-489) . . m Checkerboard and dominoes (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin)
- 06:45, 24 November 2010 (diff | hist) . . (-493) . . m Failed exams (Reverted edits by Ocafaromy (talk) to last revision by Oscarlevin) (current)
- 14:03, 18 November 2010 (diff | hist) . . (+287) . . Talk:Eight options with six sides
- 13:22, 18 November 2010 (diff | hist) . . (+11) . . Eight options with six sides
- 13:16, 18 November 2010 (diff | hist) . . (+176) . . N Talk:Wagon collision (Created page with "I don't really understand the problem as it is worded. I'm having trouble understanding what you mean by "wagon." ~~~~")
- 13:11, 18 November 2010 (diff | hist) . . (+187) . . N Talk:Fifteen (Created page with "Very nice puzzle -- I've never seen it before. I think this would work well as a follow up to a discussion of magic squares. ~~~~")
- 13:10, 18 November 2010 (diff | hist) . . (+52) . . Fifteen (current)
- 13:04, 18 November 2010 (diff | hist) . . (+340) . . N User talk:Vampire Library (Created page with "==Hello and welcome!== Sorry I haven't had a chance to say hi before now, I've been busy with work this semester. I see that you have contributed already: thank you! Feel free ...")
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