User contributions for Oscarlevin

11:4311:43, 18 August 2024 diff hist −184 Meta:Main Page No edit summary current

08:5308:53, 5 October 2023 diff hist +4 Flying trains →Puzzle current

15:3315:33, 3 September 2019 diff hist −1 m Ball drop →Puzzle current

22:0022:00, 17 July 2019 diff hist +411 Meta:Links No edit summary current
20:5220:52, 17 July 2019 diff hist +923 Meta:Links No edit summary
20:2220:22, 17 July 2019 diff hist −30 Template:Bradley PoW No edit summary current
20:2120:21, 17 July 2019 diff hist +21 Meta:Links No edit summary

09:1509:15, 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

13:1513:15, 1 October 2017 diff hist −1 Cents per cents No edit summary current

08:3208:32, 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..."

07:1607:16, 25 July 2017 diff hist +64 Next letter added links. current
07:1407:14, 25 July 2017 diff hist +131 Next sequence No edit summary current
07:1007:10, 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

20:1920:19, 24 July 2017 diff hist +2 Wagon collision →Help current
20:1820:18, 24 July 2017 diff hist +4 Wagon collision →Help
20:1720:17, 24 July 2017 diff hist +4 Wagon collision →Help
20:1720:17, 24 July 2017 diff hist +4 Wagon collision →Help
20:1620:16, 24 July 2017 diff hist −1 Wagon collision →Help
20:1620:16, 24 July 2017 diff hist +2 Wagon collision →Help
20:1620:16, 24 July 2017 diff hist +8 Wagon collision →Help
20:1520:15, 24 July 2017 diff hist −7 Wagon collision →Help
20:1120:11, 24 July 2017 diff hist −6 One-way roads →Puzzle current
20:1020:10, 24 July 2017 diff hist +6 One-way roads →Puzzle

15:2315:23, 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

19:1519:15, 4 April 2015 diff hist +20 m Condominium No edit summary current

10:2110:21, 31 March 2015 diff hist 0 N File:Trolls.png No edit summary current
10:2010:20, 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

11:0411:04, 19 January 2015 diff hist −19 m Draft:Bpow29 No edit summary current

12:2112:21, 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

16:4616:46, 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
16:3916:39, 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
16:1816:18, 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
16:1516:15, 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
16:1416:14, 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
16:1216:12, 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
16:0616:06, 10 November 2014 diff hist +9 Draft:Bpow61 No edit summary current
16:0516:05, 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..."
15:5915:59, 10 November 2014 diff hist +4 m Draft:Bpow60 No edit summary current
15:5915:59, 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..."
15:5315:53, 10 November 2014 diff hist −7 Draft:Bpow59 No edit summary current
15:5015:50, 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..."
15:4915:49, 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
15:4615:46, 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
15:4315:43, 10 November 2014 diff hist +2 Draft:Bpow55 No edit summary current
15:4215:42, 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..."
15:2515:25, 10 November 2014 diff hist +9 m Draft:Bpow54 No edit summary current
15:2415:24, 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..."

21:1621:16, 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

21:1821:18, 8 November 2014 diff hist +5 MediaWiki:Sidebar Undo revision 1337 by Oscarlevin (talk) current
21:1721:17, 8 November 2014 diff hist −1 Help:Contents No edit summary current

User contributions for Oscarlevin

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