I am a three-digit number. My hundreds digit is twice my tens digit, and my tens digit is twice my units digit. What number am I?
842
Let the units digit be 2. Then the tens digit is 2 x 2 = 4, and the hundreds digit is 2 x 4 = 8. Putting them together yields 842.
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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