List questions from recreational-mathematics

Published on 01 Apr 2026 - 4:52

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What is the sum of the reciprocal of all of the factors of a number?

Published on 14 Apr 2026 - 13:55

187

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What is the optimal strategy when driving to my university: Wait or take alternative route and (possibly) wait?

Published on 14 Apr 2026 - 9:41

116

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One Dimensional Random Path Walker

Published on 05 Apr 2026 - 0:31

87

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Generalized knight going from one corner of a box to the other

Published on 14 Apr 2026 - 14:52

216

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2D walks on a square grid; The number of Paths leading to specific $(X,Y)$

Published on 26 Mar 2026 - 19:18

94

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Can anybody help me with math expressions?

Published on 22 Apr 2026 - 1:58

213

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How do I find a minimal set of US states so that every state boarders one of them?

Published on 12 Apr 2026 - 9:32

2.9k

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How to calculate $10^{0.4}$ without using calculator

Published on 31 Mar 2026 - 19:12

194

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What is the name of this type of palindromic number?

Published on 17 Mar 2016 - 10:41

66

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$n$-couples of people in a row.

Published on 10 Apr 2026 - 16:43

139

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Maths problem: Cedric's age

Published on 10 Apr 2026 - 20:39

131

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Arrangement of houses with 2 colors

Published on 12 Apr 2026 - 5:30

1.9k

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The Functional Equation $f(mn)=f(m)f(n)$ where $f:\mathbb{N}\rightarrow \mathbb{R}$, $f(2)=2$, and $f(m) > fn)$ if $m>n$.

Published on 17 Apr 2026 - 14:04

343

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Guess the number. Maximizing expected winnings?

Published on 13 Apr 2026 - 5:30

List Question

Functions with "ugly" inverses

What is the sum of the reciprocal of all of the factors of a number?

What is the optimal strategy when driving to my university: Wait or take alternative route and (possibly) wait?

One Dimensional Random Path Walker

Generalized knight going from one corner of a box to the other

2D walks on a square grid; The number of Paths leading to specific $(X,Y)$

Can anybody help me with math expressions?

How do I find a minimal set of US states so that every state boarders one of them?

How to calculate $10^{0.4}$ without using calculator

What is the name of this type of palindromic number?

$n$-couples of people in a row.

Maths problem: Cedric's age

Arrangement of houses with 2 colors

The Functional Equation $f(mn)=f(m)f(n)$ where $f:\mathbb{N}\rightarrow \mathbb{R}$, $f(2)=2$, and $f(m) > fn)$ if $m>n$.

Guess the number. Maximizing expected winnings?

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