I am a positive integer. My cube is greater than my square by a factor of 7. What number am I?
7
x^3 = 7 * x^2. Dividing both sides by x^2 gives x = 7.
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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