IQ tests, or Intelligence Quotient tests, assess a person's cognitive abilities and problem-solving skills. These tests ...

A brain teaser challenge is a type of IQ test that mostly involves solving a puzzle, cracking a code, finding a hidden object or mistake, or detecting the fault in the image. Brain teaser puzzles test ...

A 10-year-old British girl achieved the highest possible score on a Mensa IQ test — beating out even renowned geniuses Albert Einstein and Stephen Hawking, according to a new report. Freya Mangotra, ...

IQ tests are excellent for testing the intelligence of an individual. These challenges evaluate an individual's mental functions such as logical reasoning, pattern recognition, memory, and analytical ...

Add Yahoo as a preferred source to see more of our stories on Google. We tend to think intelligence is about speed, trivia, or math tricks, but real cognitive sharpness shows up in unexpected places.