Twenty years ago, this puzzle appeared on a test administered to top-tier math students from 16 countries around the world. Only 10% of test takers got it right. In the U.S., only 4% managed to ...

You have an IQ above 140 if you can solve this math puzzle. Test your problem-solving skills and intelligence with this IQ ...

Math isn't everyone's best skill — and even those who are good at it are questioning everything after trying this algebra problem. The question originally went viral in Japan, after a study discovered ...

Ever wanted to tear your hair out and question everything you've ever learned about math? Well, thanks to the website Brain Dare, you can. The company recently posted a math puzzle to its Facebook ...

A Brain teaser is a type of puzzle, which is a short, playful puzzle designed to stretch your mind and make you smile. It ...

It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.

A brain teaser has left people across the internet scratching their heads - but far from a complicated algebraic puzzle, it's just a simple addition sum leaving them bewildered. Shared by ...