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 challenge is a type of IQ test that mostly involves solving a puzzle, cracking a code, finding a hidden object ...

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

You'll need to be one of the smartest 15% in the country to answer this maths question correctly. Brainteasers and other puzzles are a fantastic way to make sure you keep your mind in tip-top shape, ...

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 ...

This maths puzzle has been baffling people. How skilled are you at mathematics? Some of us will happily confess it's not our strongest subject, whilst others amongst us savour the prospect of tackling ...

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.