If you multiply me by any other number, the result is always the same. If you add me to any number, that number remains unchanged. What number am I?
0
Multiplying any number by zero yields zero. Adding zero to any number leaves that number unchanged.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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