A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

Brain teasers are a fun way to test one's thinking skills. These puzzles give the brain a quick workout. A recent challenge that went viral online has math lovers excited. The puzzle asks users to ...

A brain teaser is a kind of engaging mental exercise. The purpose of this challenge or riddle is to force you to look at things critically and creatively, often in ways you're not familiar with. A ...