List questions from recreational-mathematics

Published on 12 Apr 2026 - 16:22

36

Views

Find all reals x, y such that 1<=x<=a , 1<=y <=b and (x^(1/3) + y^(1/3))^3 is integer.

Published on 17 Apr 2026 - 6:25

146

Views

Simple question about dividing by zero, $y=\frac{x}{x}$ when $x=0$

Published on 14 Apr 2026 - 13:13

79

Views

sum of digits = sum of factors

Published on 10 Apr 2026 - 17:36

516

Views

How many ways are there to pile $n$ "$1\times 2$ rectangles" under some conditions?

Published on 04 Apr 2026 - 1:53

1.1k

Views

Deriving the surface area of a sphere from the volume

Published on 20 Apr 2026 - 12:04

101

Views

Probability of termination of random teleportation

Published on 20 Apr 2026 - 12:05

654

Views

Why is the following NOT a proof of The Chain Rule?

Published on 20 Apr 2026 - 11:58

5.4k

Views

Does there exist a tool to construct a perfect sine wave?

Published on 20 Apr 2026 - 12:07

267

Views

A further question to "does-there-exist-a-tool-to-construct-a-perfect-sine-wave"

Published on 20 Apr 2026 - 11:42

541

Views

Infinite prisoners with hats where the prisoners do not know their position.

Published on 20 Apr 2026 - 11:43

83

Views

Is there a contiguous locus of the equality $a = b$ in $\zeta(\rho + \varepsilon)=a + î b$ in the near of a root?

Published on 13 Apr 2026 - 6:09

119

Views

$f(x+1)=f(x)+f(\alpha\cdot x)$

Published on 14 Apr 2026 - 17:32

36

Views

Is 42 in the French Premier League the maximal number of points possible to be relegated?

Published on 01 Mar 2026 - 15:14

310

Views

Very fascinating probability game about maximising greed?

Published on 20 Apr 2026 - 11:52

List Question

Curiosity: Divide by two by inserting number

Find all reals x, y such that 1<=x<=a , 1<=y <=b and (x^(1/3) + y^(1/3))^3 is integer.

Simple question about dividing by zero, $y=\frac{x}{x}$ when $x=0$

sum of digits = sum of factors

How many ways are there to pile $n$ "$1\times 2$ rectangles" under some conditions?

Deriving the surface area of a sphere from the volume

Probability of termination of random teleportation

Why is the following NOT a proof of The Chain Rule?

Does there exist a tool to construct a perfect sine wave?

A further question to "does-there-exist-a-tool-to-construct-a-perfect-sine-wave"

Infinite prisoners with hats where the prisoners do not know their position.

Is there a contiguous locus of the equality $a = b$ in $\zeta(\rho + \varepsilon)=a + î b$ in the near of a root?

$f(x+1)=f(x)+f(\alpha\cdot x)$

Is 42 in the French Premier League the maximal number of points possible to be relegated?

Very fascinating probability game about maximising greed?

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