IQ tests are excellent for assessing an individual's intelligence. These types of puzzle challenges present readers with problems in the form of picture puzzles, math puzzles, or a statement. You have ...

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

A brain teaser is a short, playful puzzle designed to stretch your mind and make you smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond ...

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 ...

An optical illusion is a visual phenomenon where our eyes perceive something differently from reality, tricking the brain into misinterpreting what it sees. These illusions occur because the brain ...

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 ...