Add Yahoo as a preferred source to see more of our stories on Google. These quizzes seek to test your IQ by asking you various challenging questions about all kinds of subjects. Take each quiz to find ...

Intelligence quotient, usually shortened to IQ, is a measure of how well someone uses information, logic, and reasoning compared to their peers. The first test for measuring IQ was developed by ...

Maybe you have a dark sense of humor, or perhaps you failed your driver’s test—both are signs of intelligence, according to science. But how smart are you, really? The Cognitive Reflection Test (CRT), ...

Most people will only go out of their way to do an IQ test for fun, quickly finding a free online test to see how smart they really are. Then there are those who feel they are smarter than the average ...

NEW YORK CITY, NY, Jan. 14, 2026 (GLOBE NEWSWIRE) -- bestiqtest.org today announced that it continues to lead the online IQ testing space, confirming its position as the best free IQ test online with ...

University of Liverpool provides funding as a founding partner of The Conversation UK. London School of Economics and Political Science provides funding as a member of The Conversation UK. Most adults ...

Isla McNabb, a 2-year-old from Oldham County, recently became the youngest current member of American Mensa, a society for those with high IQs. She tested in the 99th percentile for the Stanford-Binet ...