Question

Symbolically formulate the two guard problem so it can be solved by a computer

score 104 · Answer 1 · 2026-04-20 08:52:49

104

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Symbolically formulate the two guard problem so it can be solved by a computer

Published on 20 Apr 2026 - 8:52

score 631 · Answer 2 · 2026-04-16 08:42:47

631

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Finding real money on an even stranger weighing device

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score 1.4k · Answer 3 · 2026-04-12 10:22:32

1.4k

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Diophantus' Lifespan

Published on 12 Apr 2026 - 10:22

score 442 · Answer 4 · 2026-04-08 03:56:39

442

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A puzzle about choosing one of 9 doors with signs on them

Published on 08 Apr 2026 - 3:56

score 38.1k · Answer 5 · 2026-04-06 06:40:56

38.1k

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Why does this age calculation trick work?

Published on 06 Apr 2026 - 6:40

score 669 · Answer 6 · 2026-04-14 13:06:51

669

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Maximum number of teams of three people such that each team is built in one of two ways

Published on 14 Apr 2026 - 13:06

score 105 · Answer 7 · 2026-04-09 19:02:36

105

Views

How should one go about deciphering "ZPLKKWL MFUPP UFL XA EUXMFLP"?

Published on 09 Apr 2026 - 19:02

score 7.1k · Answer 8 · 2026-04-17 19:26:37

7.1k

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Why $6$ races are not sufficient in the $25$ horses, $5$ tracks problem

Published on 17 Apr 2026 - 19:26

score 2.7k · Answer 9 · 2026-04-12 09:31:51

2.7k

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Published on 12 Apr 2026 - 9:31

score 4.4k · Answer 10 · 2026-04-17 13:37:51

4.4k

Views

Place maximum Rooks on a chessboard

Published on 17 Apr 2026 - 13:37

score 134 · Answer 11 · 2026-04-16 02:50:30

134

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Is there an equation that can lead to the correct pattern for the answer to this riddle?

Published on 16 Apr 2026 - 2:50

score 197 · Answer 12 · 2026-04-14 17:34:01

197

Views

The Sieve of Alice- Number theory Riddle

Published on 14 Apr 2026 - 17:34

score 599 · Answer 13 · 2026-04-12 11:13:19

599

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Published on 12 Apr 2026 - 11:13

score 3k · Answer 14 · 2026-04-13 17:17:22

3k

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Three knights on a 3x3 chess board

Published on 13 Apr 2026 - 17:17

score 107 · Answer 15 · 2026-04-16 09:46:02

107

Views

P. Winkler's puzzle "Inscribing a Lake in a Square"

Published on 16 Apr 2026 - 9:46

List Question

Symbolically formulate the two guard problem so it can be solved by a computer

Finding real money on an even stranger weighing device

Diophantus' Lifespan

A puzzle about choosing one of 9 doors with signs on them

Why does this age calculation trick work?

Maximum number of teams of three people such that each team is built in one of two ways

How should one go about deciphering "ZPLKKWL MFUPP UFL XA EUXMFLP"?

Why $6$ races are not sufficient in the $25$ horses, $5$ tracks problem

Simple Puzzle: A Matter Of Time

Place maximum Rooks on a chessboard

Is there an equation that can lead to the correct pattern for the answer to this riddle?

The Sieve of Alice- Number theory Riddle

Maths Puzzle: Partitioning a set into two disjoint sets

Three knights on a 3x3 chess board

P. Winkler's puzzle "Inscribing a Lake in a Square"

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