# User contributions

## 3 September 2019

## 17 July 2019

### Meta:Links

no edit summary

+411

### Meta:Links

no edit summary

+923

### Template:Bradley PoW

no edit summary

-30

### Meta:Links

no edit summary

+21

## 26 October 2017

## 1 October 2017

## 6 August 2017

## 25 July 2017

### Next letter

added links.

+64

### Next sequence

no edit summary

+131

### 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..."

## 24 July 2017

### Wagon collision

Help

+2

### Wagon collision

Help

+4

### Wagon collision

Help

+4

### Wagon collision

Help

+4

### Wagon collision

Help

-1

### Wagon collision

Help

+2

### Wagon collision

Help

+8

### Wagon collision

Help

-7

### One-way roads

Puzzle

-6

### One-way roads

Puzzle

+6

## 3 April 2016

## 4 April 2015

## 31 March 2015

### File:Trolls.png

no edit summary

### 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..."

## 19 January 2015

## 16 November 2014

## 10 November 2014

### 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..."

### 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..."

### 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..."

### 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..."

### 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..."

### 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..."

### Draft:Bpow61

no edit summary

+9

### 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..."

### Draft:Bpow60

no edit summary

m+4

### 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..."

### Draft:Bpow59

no edit summary

-7

### 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..."

### 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..."

### 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..."

### Draft:Bpow55

no edit summary

+2

### 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..."

### Draft:Bpow54

no edit summary

m+9

### 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..."

## 9 November 2014

## 8 November 2014

### MediaWiki:Sidebar

Undo revision 1337 by Oscarlevin (talk)

+5

### Help:Contents

no edit summary

-1

### Help:Contents

no edit summary

+116

### MediaWiki:Sidebar

Undo revision 1336 by Oscarlevin (talk)

-5