List questions from recreational-mathematics

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Does this 'inner-product'-like function show up somewhere?

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How do I compute hitting time in a finite Markov chain? (to quantify my Machi Koro pwnage)

Published on 29 Mar 2026 - 20:51

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Odds Fantasy game

Published on 23 Feb 2017 - 22:47

144

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Fermat's Last Theorem Alternate Solution

Published on 24 Feb 2017 - 5:28

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Ways to solve a linear optimization problem

Published on 28 Mar 2026 - 16:44

89

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combinatorics - request for checking solution

Published on 28 Feb 2017 - 21:38

37

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combinatorics - request for checking modified solution

Published on 01 Mar 2017 - 14:32

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Mathematical joke regarding three people leaving a house

Published on 06 Apr 2026 - 23:58

113

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Prove that there is not any integer $b$ such that when its initial digit is deleted , the integer becomes $ b/35 $

Published on 02 Mar 2017 - 18:05

132

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Discrete mathematics - number of 4-digit numbers such that one of its digit is the sum of remaining 3 digits?

Published on 02 Mar 2017 - 21:04

70

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Solve the equation $f(x)=\sum_{n=x}^{10}\sqrt[|n-2|+1]{n\log_{2}(n)}$ for $x$ in $f(x)=7.5?$

Published on 03 Apr 2026 - 6:55

49

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Finding minimum given constraints

Published on 05 Mar 2017 - 11:50

271

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Determine minimum selling price based on cost and fees

Published on 05 Mar 2017 - 19:32

958

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How to prove that $(10n+2)!$ is divisible by $(10n+4)$

Published on 01 Apr 2026 - 12:13

List Question

Find the value of x.

Does this 'inner-product'-like function show up somewhere?

How do I compute hitting time in a finite Markov chain? (to quantify my Machi Koro pwnage)

Odds Fantasy game

Fermat's Last Theorem Alternate Solution

Ways to solve a linear optimization problem

combinatorics - request for checking solution

combinatorics - request for checking modified solution

Mathematical joke regarding three people leaving a house

Prove that there is not any integer $b$ such that when its initial digit is deleted , the integer becomes $ b/35 $

Discrete mathematics - number of 4-digit numbers such that one of its digit is the sum of remaining 3 digits?

Solve the equation $f(x)=\sum_{n=x}^{10}\sqrt[|n-2|+1]{n\log_{2}(n)}$ for $x$ in $f(x)=7.5?$

Finding minimum given constraints

Determine minimum selling price based on cost and fees

How to prove that $(10n+2)!$ is divisible by $(10n+4)$

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