Brain teaser puzzles test the reader's critical thinking and problem-solving skills by challenging them to solve a problem.

Questions from the world’s shortest IQ test even stumped students at Yale and Harvard! Maybe you have a dark sense of humor, or perhaps you failed your driver’s test—both are signs of intelligence, ...

An IQ test can assess a person's cognitive abilities by solving various problems, including identifying an error in an image of polar animals. The error lies in the ...

The world's shortest IQ test not only reveals your intelligence but also your level of patience. The test, called a Cognitive Reflection Test (CRT), consists of three math-based questions that target ...

One excellent tool for assessing a person's intelligence is an IQ test. These assessments ask readers to solve a problem—which could be a picture, puzzle, riddle, arithmetic problem, or statement—in a ...