Matchboxes and shampoo sachets are bought and then sold at a profit. With limited information, can you find out how many ...

In Connections, players must group 16 words into four categories based on their relationships. Each group is coded by color to indicate difficulty: yellow for the easiest, followed by green, blue, and ...

I feel the saying “square peg, round hole” could apply to any number of areas in the agricultural sector at the moment, but ...

The Jump Game is a puzzle that’s used in technical interviews for software engineering jobs. Think: jobs at Google or Amazon.

Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange it into a ...