I am a number composed of identical digits. When you multiply me by 3, the product consists entirely of the digit 3. What number am I?
111
111 multiplied by 3 equals 333, which consists entirely of the digit 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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