IQ, short for intelligence quotient, measures a person’s reasoning ability. Many colleges and universities also use exams similar to IQ tests to select students. Can you spot an umbrella in this picture puzzle?

Get your eyes ready because this is tricky. This spot the difference pictures will have you in for a treat. Sometimes we look at an image and something immediately catches our attention because it is not where it should be. Okay, that doesn’t usually happen in everyday life, but it does happen in our selection of images with strange errors that are difficult to detect.