These riddles aren’t about how smart you are. They’re about how well you notice things. Each one uses misdirection, subtle ...

A brain teaser shared on X (formerly Twitter) challenged users with a simple-looking maths puzzle that became confusing due ...

Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

With our collection of scavenger hunt riddles and clues, you can lead kids through the house on a grand adventure ...