List questions from recreational-mathematics

Published on 09 Apr 2026 - 4:07

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How to prove this mean value property$\int_a^b f(t)g(t)dt=f(x)\int_a^b g(t)dt$?

Published on 16 Apr 2026 - 12:52

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What is the most unfair set of three nontransitive dice?

Published on 14 Apr 2026 - 5:38

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In how many ways ( using only whole numbers ) can we divide 49 into 6 parts so that we can obtain any number between 1 to 49?

Published on 17 Apr 2026 - 0:09

3k

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Useless math that became useful

Published on 13 Apr 2026 - 0:31

886

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Mathematical Quine

Published on 11 Apr 2026 - 0:41

1.6k

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A logic puzzle from TES: Arena

Published on 12 Apr 2026 - 14:07

140

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Calculating the most efficient number of group payment transactions required

Published on 13 Apr 2026 - 17:24

2k

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Dissection of a chess board into 4 congruent pieces

Published on 12 Apr 2026 - 4:26

635

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$N \equiv 3 (\textrm{mod } 4)$ and Collatz conjecture

Published on 11 Apr 2026 - 19:48

5.5k

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What is the value of D here?

Published on 13 Apr 2026 - 1:27

2.4k

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$5n+1$, $3n-1$ problem, smallest repeating cycle and Collatz conjecture

Published on 13 Apr 2026 - 16:37

10.7k

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Topology: The Board Game

Published on 09 Apr 2026 - 11:32

62

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How to the get range of 1 to 10 by index?

Published on 16 Apr 2026 - 11:41

1.9k

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Palindrome of numbers from 1-n

Published on 17 Apr 2026 - 8:57

List Question

How to formally model the "hesitation" in the hat-guessing puzzle?

How to prove this mean value property$\int_a^b f(t)g(t)dt=f(x)\int_a^b g(t)dt$?

What is the most unfair set of three nontransitive dice?

In how many ways ( using only whole numbers ) can we divide 49 into 6 parts so that we can obtain any number between 1 to 49?

Useless math that became useful

Mathematical Quine

A logic puzzle from TES: Arena

Calculating the most efficient number of group payment transactions required

Dissection of a chess board into 4 congruent pieces

$N \equiv 3 (\textrm{mod } 4)$ and Collatz conjecture

What is the value of D here?

$5n+1$, $3n-1$ problem, smallest repeating cycle and Collatz conjecture

Topology: The Board Game

How to the get range of 1 to 10 by index?

Palindrome of numbers from 1-n

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