If brain teasers are your idea of relaxation, put on your thinking caps for our 25 tricky IQ questions and answers! We promise to deliver you some mind-boggling questions! You’ve probably done a few ...

Quora Questions are part of a partnership between Newsweek and Quora, through which we'll be posting relevant and interesting answers from Quora contributors throughout the week. Read more about the ...

Sure, you may have scored more than 150 on the standardized IQ test, you may party hearty with Mensa Mommas — but what’s that actually worth in the real world? Diddly. If you truly want to know how ...

Your brain is a muscle, and just like any other muscle in your body, it needs exercise to stay sharp. Engaging in brain teasers, IQ tests, and logic puzzles is scientifically proven to enhance ...