Can you solve the world’s shortest IQ test?

The Cognitive Reflection Test is regarded as the world’s shortest IQ test, and the quickest way to distinguish between someone of average intelligence and an undercover savant.

Featuring just three questions it may at a glance seem to be a walk in the park, but it’s nowhere near as easy as it looks. A sign of genius is not just getting the right answer, but managing to come up with it within the right timeframe.

Test yourself in the gallery above.