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I like math, My Little Pony, musicals, difficult video games, and long daydream sequences. Message me if you like at least two of the above.

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Top Questions
45 votes

Which floor does this company occupy?

brainteaser lateral-thinking asked Dec 17, 2014 at 23:37
puzzling.stackexchange.com

40 votes

Break the subsitution cipher with a twist

cryptograms encoded-message cryptography asked Dec 16, 2014 at 6:44
puzzling.stackexchange.com

38 votes

Random sequence of integers in $\{1, 2, \dots, n \}$ which is "everywhere probably increasing" - how long can it be?

co.combinatorics pr.probability extremal-combinatorics asked May 10, 2015 at 8:25
mathoverflow.net

30 votes

Dissection Puzzle - The Umbrella Stand

geometry dissection asked Dec 29, 2014 at 15:40
puzzling.stackexchange.com

27 votes

The lion and the zebras II: The lion with millimeter-long claws

strategy game pursuit-evasion asked Feb 16, 2015 at 22:30
puzzling.stackexchange.com

24 votes

Generalization of "easy" 1-D proof of Brouwer fixed point theorem

general-topology fixed-point-theorems asked Jan 2, 2012 at 15:42
math.stackexchange.com

21 votes

Pursuit Problem: Mutineer trapped on an island

math logic-puzzle geometry pursuit-evasion asked Apr 24, 2015 at 10:01
puzzling.stackexchange.com

19 votes

Linguistics: Japanese Squares

language cipher japanese asked Nov 18, 2014 at 5:42
puzzling.stackexchange.com

18 votes

Solve Subset-Sum in polynomial time (...if P = NP)

code-golf restricted-complexity asked Apr 5, 2019 at 16:12
codegolf.stackexchange.com

17 votes

Infinite Sequence of Inscribed Pentagrams - Where does it converge?

geometry asked Mar 24, 2013 at 0:33
math.stackexchange.com

1 2 3

Top Answers
79
Can a row of five equilateral triangles tile a big equilateral triangle?
mathoverflow.net

63
Coin Flipping Game with the Devil
puzzling.stackexchange.com

61
The lion and the zebras
puzzling.stackexchange.com

45
Is the magic liquid in the bottle safe to drink?
puzzling.stackexchange.com

36
Show that the sequence $1,2,3,4,5,6,7,8,9,1,0,1,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,2,0,2,1,\cdots$ isn't periodic
math.stackexchange.com

35
Five Angles in a Star
puzzling.stackexchange.com

35
Can a row of five equilateral triangles tile a big equilateral triangle?
math.stackexchange.com

25
Proving $\sum_{k=0}^n(-1)^k\binom nk=0$
math.stackexchange.com

23
What is the significance of the power of $3$ in the sequence of primes given by $\lfloor A^{3^n}\rfloor ?$
math.stackexchange.com

22
Descramble the scrambled text
puzzling.stackexchange.com

19
Find smallest rectangle divided into figures so each figure has 5 neighbours
puzzling.stackexchange.com

18
Hidden planet area
puzzling.stackexchange.com

15
Find all polynomials that fix $\mathbb Q$ and the irrationals
math.stackexchange.com

15
Longest known sequence of identical consecutive Collatz sequence lengths?
math.stackexchange.com

15
Flipping a randomly-lopsided coin
puzzling.stackexchange.com

15
What are the theorems in mathematics which can be proved using completely different ideas?
math.stackexchange.com

14
When has the Borel-Cantelli heuristic been wrong?
mathoverflow.net

14
The subtraction game
puzzling.stackexchange.com

14
Automatically a Knight, Knave, and Joker
puzzling.stackexchange.com

13
The Erasmus chessboard theorem
puzzling.stackexchange.com

13
A Diophantine equation with prime powers
mathoverflow.net

13
Will The Ant Ever Reach The Car [Part 2]
puzzling.stackexchange.com

13
Unusual mathematical terms
math.stackexchange.com

12
Ant walking on a number line
puzzling.stackexchange.com

12
Are there any popular puzzles with polynomial-time algorithms?
puzzling.stackexchange.com

11
Finding the GCD of three numbers?
math.stackexchange.com

10
Another probabilistic coin puzzle
puzzling.stackexchange.com

10
Simple proof that stationary birth-death chains are reversible
math.stackexchange.com

9
Stitching together two identical planar shapes
puzzling.stackexchange.com

9
An Exclusive Party
puzzling.stackexchange.com

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