"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

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

Okay, first, look carefully at the image. If you all adjust the matchesstick from both 3 and 5, it will convert to 9 and 9, ...

So, Only 1% With Hawk- Eye Vision can Spot the Missing Number 20 in this Number Scatter Puzzle in 20 Seconds only. I think ...