List questions from recreational-mathematics | MathQA

Let $f : \mathbb{R} \rightarrow \mathbb{R}$ be a continuous function such that $f(3x)-f(x)=x.$ If $f(8)=7$, then $f(14)$ is equal to

Published on 24 Apr 2026 - 14:27

Is there a short expression giving $135791113\cdots 2017201920212023$?

Published on 13 Apr 2026 - 3:26

How many ways for a beetle to move from bottom left corner to upper right corner in a 6 x 6 grid if it must be done in 14 steps only?

Published on 15 Apr 2026 - 0:13

With sachets containing at most 13 seeds, given 2021 rose, jasmine or fennel seeds respectively what is the maximum number of rose seeds used?

Published on 17 Apr 2026 - 9:18

What is the probability that the sum of 6 four-sided dice is less than or equal to 14?

Published on 14 Apr 2026 - 20:46

Solving the diophantine equation $1/x+1/y+1/z=1/2$

Published on 14 May 2026 - 15:59