The puzzle asks you to solve 15 + 16, but it’s not as simple as it looks. At first glance, it seems like a basic math problem ...

Math Riddles: Find out how brilliant you are. Only 1% of people with a high IQ can find the missing numbers in these tricky logic math puzzles in 20 seconds each.

While that’s a frustrating fact of life in general, it does make for some fun brainteasers! Take this “how many squares” ...