New posts in Recreational Mathematics

Solving the cryptarithm "THE+BEST+SYSTEM=METRIC"

Does it exist a way how to find the ways to get from one point to another when certain points must be avoided in a grid?

A random sphere containing the center of the unit cube

Does $a^b=a^c$ imply $b^a=c^a$?

What is the optimal number of dice to roll a Yahtzee in one roll?

Minimal covering of a $5 \times 5$ square with $T$ shaped tetrominoes.

Why does this pattern occur: $123456789 \times 8 + 9 = 987654321$

Is there a prime every year if YYYYMMDD is treated as a base-$10$ number?

Probability question about meeting people

triangle inside triangle// with ratio 2:1