List questions from recreational-mathematics

Published on 25 Mar 2026 - 4:59

849

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Quickest general strategy for village meeting

Published on 03 Sep 2016 - 19:53

99

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How to count the number of subsets with property P

Published on 06 Sep 2016 - 9:22

127

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Cayley-like matrix determinant puzzle

Published on 06 Sep 2016 - 20:05

14k

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What is the fewest number of squares required to cover a $11\times13\text{ cm}$ rectangle without overlap?

Published on 08 Sep 2016 - 23:02

36

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How to solve this question on number theory?

Published on 10 Sep 2016 - 2:00

282

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Can 2 + 2 ≈ 5 be true?

Published on 11 Sep 2016 - 18:37

106

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Guess colour of hats from neighbors

Published on 12 Sep 2016 - 10:21

105

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Is it possible to solve recursive percent equations?

Published on 12 Sep 2016 - 22:49

8.7k

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Number of 3 digit numbers with distinct digits

Published on 29 Mar 2026 - 15:21

77

Views

Minimal turns to cover points of a 3D lattice

Published on 25 Mar 2026 - 10:57

431

Views

Sum of two palindromes to a different base equals a third palindrome to a different base

Published on 25 Mar 2026 - 10:56

194

Views

Find a Formula To Generate This Sequence

Published on 17 Sep 2016 - 8:26

895

Views

How to approach this question from Thinking Mathematically considering the solution below

Published on 30 Mar 2026 - 2:05

281

Views

Show that $\sqrt{9+a} \geq \sqrt{a} + \frac{2\sqrt{2}}{\sqrt{1 + a}}$

Published on 03 Apr 2026 - 20:33

List Question

Number of distinct values for $a^b$ with $2 \leq a \leq 100$ and $2 \leq b \leq 100$

Quickest general strategy for village meeting

How to count the number of subsets with property P

Cayley-like matrix determinant puzzle

What is the fewest number of squares required to cover a $11\times13\text{ cm}$ rectangle without overlap?

How to solve this question on number theory?

Can 2 + 2 ≈ 5 be true?

Guess colour of hats from neighbors

Is it possible to solve recursive percent equations?

Number of 3 digit numbers with distinct digits

Minimal turns to cover points of a 3D lattice

Sum of two palindromes to a different base equals a third palindrome to a different base

Find a Formula To Generate This Sequence

How to approach this question from Thinking Mathematically considering the solution below

Show that $\sqrt{9+a} \geq \sqrt{a} + \frac{2\sqrt{2}}{\sqrt{1 + a}}$

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