Less than one in five people pass this IQ test, thought to be the shortest in the world only three questions long. The Cognitive Reflection Test has a pass rate of just 17 per cent, leaving the ...

IQ tests, a set of questions that rate a person's intelligence, are quite popular. But, do you know about the world's shortest IQ test? It has only three questions that have managed to stump the most ...

Even students at MIT, Yale and Harvard struggled to get all the answers [Courtesy]. If you've ever wanted to test your intelligence, but can't be bothered to sit through a lengthy IQ test, we may have ...

Can you pass the world's shortest IQ test? Only 17 per cent of people can ...