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28 votes

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What is the number 4.9292683…?

answered Sep 30, 2014 at 8:56

27 votes

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Pythagorean Chess: Knishops

answered Jan 5, 2015 at 12:06

22 votes

Entangled physicists

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17 votes

"bees" -> "hive" in 5 letter changes or fewer

answered Oct 23, 2019 at 9:00

14 votes

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Puzzle design: How to incorporate confirmation of an answer?

answered Dec 28, 2014 at 20:39

14 votes

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answered Jun 13, 2014 at 10:46

11 votes

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answered Dec 20, 2014 at 17:03

11 votes

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answered Nov 24, 2014 at 23:54

10 votes

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answered Jun 17, 2014 at 8:48

10 votes

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10 votes

Color of the bear

answered Mar 13, 2016 at 14:32

10 votes

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Mondegreen Jobs

answered Apr 18, 2018 at 18:18

9 votes

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answered Jul 11, 2017 at 13:53

9 votes

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Universal dissection

answered Jan 30, 2017 at 7:21

9 votes

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answered Sep 19, 2015 at 12:30

9 votes

The Puzzle of the Locked Box

answered May 22, 2014 at 17:19

8 votes

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Times square, ehm rectangle

answered Feb 5, 2016 at 19:41

8 votes

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answered Oct 29, 2016 at 6:47

7 votes

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What's the oldest recorded puzzle?

answered Dec 20, 2014 at 12:23

6 votes

Can you make a Rectangle from an Odd Number of Triangles?

answered Oct 8, 2014 at 15:02

6 votes

Ideas on puzzles for a scientific event

answered Jul 1, 2016 at 18:56

6 votes

The Longest -1 Word

answered Dec 31, 2015 at 18:16

6 votes

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An impure square

answered Jan 1, 2016 at 13:12

6 votes

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answered May 19, 2017 at 7:55

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5 votes

Mr. Hilbert and the Problem of the Erroneous Equation

answered Jan 10, 2016 at 21:57

Stack Exchange Network

57 Answers

What is the number 4.9292683…?

Pythagorean Chess: Knishops

Entangled physicists

"bees" -> "hive" in 5 letter changes or fewer

Infinitely long loaf of Bread

Puzzle design: How to incorporate confirmation of an answer?

Two spies throwing stones into a river

Magic Squares in Sudoku Grids

Can you pass through the ancient tomb? Find the correct interpretation for the symbols

The smallest crossword

Nine gangsters and a gold bar

Color of the bear

Mondegreen Jobs

Logic gate puzzle

Universal dissection

Four Letter Word

The Puzzle of the Locked Box

Times square, ehm rectangle

Can you solve the 7x7 (sudoku-ish) centered sums puzzle

Reverend Spooner's Favorite Movies

Two Men - The Physicist and Plumber

What's the oldest recorded puzzle?

Can you make a Rectangle from an Odd Number of Triangles?

Ideas on puzzles for a scientific event

The Longest -1 Word

An impure square

Hired by the Council of Magic - Language Barrier at the Circle

A house facing North and South, but not other directions

What can go up a chimney down, but not down a chimney up?

Mr. Hilbert and the Problem of the Erroneous Equation