List questions from recreational-mathematics

Published on 28 Mar 2026 - 20:53

99

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There are two cars...

Published on 28 Mar 2026 - 1:06

589

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New Year Maths 2015

Published on 29 Mar 2026 - 21:33

4.6k

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A riddle for 2015

Published on 02 Jan 2015 - 0:18

35

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A prove for information restoration with 2 schedules that delete information

Published on 27 Mar 2026 - 0:03

96

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How do you compare carsharing plans to calculate the cheapest?

Published on 31 Mar 2026 - 13:10

60

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Looking for an equation which follows a Sigmoidal distribution.

Published on 03 Oct 2019 - 21:40

22

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Help to calculate human resources

Published on 04 Oct 2019 - 10:32

721

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Smallest number such that the sum of digits and the product of digits is $2000$

Published on 04 Oct 2019 - 12:16

53

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convert expression $\frac{x^n}{2^{n^2}}$ to get rid of squared term?

Published on 04 Oct 2019 - 19:27

714

Views

Find the number of magical grids.

Published on 04 Oct 2019 - 19:43

223

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Pattern of Primes in collatz sequence

Published on 07 Oct 2019 - 8:27

54

Views

What must the distance between two circles be such that they represent independent events.

Published on 07 Oct 2019 - 16:04

217

Views

Longest consecutive runs of sums of $k$-subsets of first $n$ primes

Published on 23 Feb 2026 - 1:08

43

Views

What is the probability that the next integer will be the last in a fixed series of unknown length?

Published on 31 Mar 2026 - 15:18

List Question

Does my "Prime Factor Look-and-Say" sequence always end?

There are two cars...

New Year Maths 2015

A riddle for 2015

A prove for information restoration with 2 schedules that delete information

How do you compare carsharing plans to calculate the cheapest?

Looking for an equation which follows a Sigmoidal distribution.

Help to calculate human resources

Smallest number such that the sum of digits and the product of digits is $2000$

convert expression $\frac{x^n}{2^{n^2}}$ to get rid of squared term?

Find the number of magical grids.

Pattern of Primes in collatz sequence

What must the distance between two circles be such that they represent independent events.

Longest consecutive runs of sums of $k$-subsets of first $n$ primes

What is the probability that the next integer will be the last in a fixed series of unknown length?

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