List questions from recreational-mathematics

Published on 23 Apr 2020 - 22:25

149

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minimum number of congruent rectangles

Published on 27 Mar 2026 - 11:25

199

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Transform $f(t)=\exp\bigg(\frac{1}{\log(t)}\bigg)$ into a differential equation

Published on 31 Mar 2026 - 23:35

58

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Why does every 3-string, composed of two letters have exactly 3 palindromic substrings?

Published on 25 Mar 2026 - 10:52

448

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Patterns in $(a+b+c+....+z)^n$

Published on 25 Apr 2020 - 18:55

238

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Coin Flip Problem: a competition based on the probability of flipping heads

Published on 01 Apr 2026 - 14:02

250

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Origami-constructible numbers

Published on 21 Mar 2026 - 22:28

332

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Prove that no 5 digit EXTREME PRIMES exist.

Published on 27 Apr 2020 - 16:51

122

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Variations on Ramanujan's magic square

Published on 25 Mar 2026 - 11:09

238

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Let $f_{k+1}(x)=f_{k}(\cos x)$ and $f_{1}(x)=\cos x$ then $\lim_{k\to\infty}f_{k}(x)=0.73905\cdots$

Published on 28 Apr 2020 - 11:51

89

Views

Game on the unit segment, $n$ players (points).

Published on 28 Apr 2020 - 14:37

120

Views

Densest way to place dominoes/duoplets in an infinite grid with some restrictions

Published on 27 Mar 2026 - 3:44

149

Views

Calculate team placement in a league table in the previous match day

Published on 29 Apr 2020 - 2:12

33

Views

finding locus of z using information about $z^2$

Published on 26 Mar 2026 - 4:51

209

Views

complete the grid square

Published on 30 Apr 2020 - 15:23

List Question

Does $\frac{1}{2^{\frac{3}{4^{\frac{5}{6\ldots}}}}}$ converge?

minimum number of congruent rectangles

Transform $f(t)=\exp\bigg(\frac{1}{\log(t)}\bigg)$ into a differential equation

Why does every 3-string, composed of two letters have exactly 3 palindromic substrings?

Patterns in $(a+b+c+....+z)^n$

Coin Flip Problem: a competition based on the probability of flipping heads

Origami-constructible numbers

Prove that no 5 digit EXTREME PRIMES exist.

Variations on Ramanujan's magic square

Let $f_{k+1}(x)=f_{k}(\cos x)$ and $f_{1}(x)=\cos x$ then $\lim_{k\to\infty}f_{k}(x)=0.73905\cdots$

Game on the unit segment, $n$ players (points).

Densest way to place dominoes/duoplets in an infinite grid with some restrictions

Calculate team placement in a league table in the previous match day

finding locus of z using information about $z^2$

complete the grid square

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