Only overthinkers will make it through all 21 riddles in this ultimate brain teaser challenge. Test your logic, pattern ...

A lot of trial and error is needed, and, although there are ways to help limit the set of possibilities, there isn’t a surefire method of arriving at a solution in ...

Two secret agents need to meet for the very first time. They don’t know anything about each other—can’t even be sure that they live in the same hemisphere—and they will recognize the other agent when ...

Math riddles can be hard, especially when they require actual mathematical calculations. But some hard riddles only seem hard because they’re designed to con the mind into ignoring the glaringly ...

Calling all Sherlock Holmes! Put your detective skills to the test with this challenging detective brain teaser. Solve this mystery riddle and prove you've got the sharpest eye when it comes to ...

This psychology-based problem-solving quiz reveals whether you solve problems through logical analysis, gut instinct, emotional intelligence or strategic manipulation.

An airplane is flying in a straight line toward its landing strip when the pilot realizes their altimeter isn’t working. The pilot looks ahead and down, and sees the edge of the airfield at an angle ...

Add Yahoo as a preferred source to see more of our stories on Google. Think you’re pretty good at solving riddles? You stand a chance at winning $100,000. YouTube star MrBeast, known for his attention ...