List questions from recreational-mathematics

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Name and Generalise This Linear Exponent Formula

Published on 15 Dec 2016 - 20:49

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Find integral solution of $a^{b} - b^{a} = 3$

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What angled turmites make highways?

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Is this festive picture a valid equation?

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Does every number not ending with zero have a multiple without zero digits at all?

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Casino Bonus Requires 35 Times Wagering Before Withdrawal, Worth It?

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Determining the number of ways a number can be written as sum of three squares

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Xmas Summation 2016

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Using Overpowered Theorems to Solve Easy Problems

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Is the rotation in 2D done by vector addition, project, or rotation?

Published on 04 Apr 2026 - 7:01

187

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$\binom{28}{2}+\binom{28}{5}+\binom{28}{8}+\cdots+\binom{28}{26}=\frac{2}{3}(2^{27}+1)$

Published on 25 Dec 2016 - 13:10

396

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"Unbalanced" variation of rock-paper-scissors

Published on 26 Dec 2016 - 11:56

217

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New Year 2017 Puzzle: Two of Four Diophantine Equations

Published on 04 Apr 2026 - 1:26

256

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Sequential square packings

Published on 26 Mar 2026 - 6:03

List Question

Alternatives to the politician theorem

Name and Generalise This Linear Exponent Formula

Find integral solution of $a^{b} - b^{a} = 3$

What angled turmites make highways?

Is this festive picture a valid equation?

Does every number not ending with zero have a multiple without zero digits at all?

Casino Bonus Requires 35 Times Wagering Before Withdrawal, Worth It?

Determining the number of ways a number can be written as sum of three squares

Xmas Summation 2016

Using Overpowered Theorems to Solve Easy Problems

Is the rotation in 2D done by vector addition, project, or rotation?

$\binom{28}{2}+\binom{28}{5}+\binom{28}{8}+\cdots+\binom{28}{26}=\frac{2}{3}(2^{27}+1)$

"Unbalanced" variation of rock-paper-scissors

New Year 2017 Puzzle: Two of Four Diophantine Equations

Sequential square packings

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