These are the best and most fun math riddles we can find. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic.
Question: Hard, Harder, and Hardest are brothers. By age from youngest to oldest, it goes Hard, Harder, Hardest. Hard is half the age of Hardest who is 20 which means hard is 10. Harder has a two-year difference between the number of years older he is than Hard and the number of years younger he is than Hardest. Harder is closer to the age of Hard than Hardest. How old is Harder?
Question: Can you find the missing number in the below series? 43, 8, 38, 9, 34, 11, _, 14
Answer: One series is 8, 9, 11, 14 (add 1, 2, 3) and the second series is 43, 38, 34, ? (subtract 5, 4 - next number to substract is 3). Correct answer is 31
Question: A son's age is the age of his dad's age's digits added together. The son is not nine or older. The dad is of legal age. The dad's age doesn’t end in a zero, and is more than twenty, but less than twenty-five. How old is the dad, and how old is the son?
Answer: The son is three, four, five, or six. If he is three the dad is twenty-one, if he is four the dad is twenty-two, etc.
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