11 Tricky Math Riddles to Keep Your Mind Sharp

At first glance, most math riddles often seem simple and way too easy for adults. But often they are far trickier than expected and they can prove to be a good brain workout for people of all ages. In fact, scientists showed that solving number puzzles in adulthood has a positive impact on the brain in old age.

That’s why we at Bright Side collected 11 math riddles that might confuse even the sharpest minds.

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How many of these riddles could you solve? Do you know of any other math riddles that seem easy but are actually very tricky?