It wasn't all that long ago that the triangle brain teaser threw the internet for a loop, but now we're coming at you with another one — except this time, it's a completely different shape. All that is asked in the instructions for this mind-bending puzzle is that you figure out how many squares there are . . . so, sounds simple enough, right? If only. People weighed in with anywhere from 16 to 32 to 102; the guesses go on, but none of those are actually right. The correct answer is 51! The key is to keep track of the squares you've counted and realise how the little squares can form a bigger square. If you're looking to challenge yourself or stump your friends, show them this square brain teaser and let the guessing (and foot stomping) begin.
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