The challenge is to solve it in under 11 seconds, so do you want to give it a try? Set your timer on and start looking. Brainteasers improve problem-solving, logical thinking, and memory ...

IQ tests are one of the most common methods used ... but the university refused to enrol him until he was 11, out of concern for his maturity. Even so, Sidis quickly distinguished himself at ...

Optical Illusion for Testing Your IQ: You must have seen many types of optical illusions like physical, physiological, and cognitive illusions. An optical illusion is a mind-bending, deeply ...