I am a number greater than zero. If you cube me, the result is equal to nine times me. What number am I?
3
Setting up the equation: x^3 = 9x. Dividing both sides by x (since x > 0) gives x^2 = 9, so x = 3.
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: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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