If you multiply me by myself, add 5 to that product, and then divide the sum by 3, you get the number 10. What positive number am I?
5
Work backwards from 10: multiply by 3 to get 30, subtract 5 to get 25. The positive number that multiplied by itself equals 25 is 5.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Easy. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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