Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

Test your problem-solving skills with these 62 lateral thinking puzzles. They’ll challenge you to think out of the box to ...

A new math puzzle designed to challenge readers of all ages is coming to the Daily Press. David Genter, a puzzle developer ...

You and I go out to eat at a conveyer-belt sushi restaurant. It serves four types of sushi: ahi roll, Boston roll, ...

A Korean mathematician has won international recognition for solving a geometry puzzle that had resisted proof for nearly six ...

The billiards room in Blue Prince has a mathematical dartboard puzzle that gets a bit harder every time you complete it. When you purchase through links on our site, we may earn an affiliate ...

A mathematics puzzle doing the rounds on social media is leaving many scratching their heads with its challenging question.