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20-07-2018
Mathematics

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Let letter H stand for a nonzero digit.The three digit number HHH is always divisible by...

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20-07-2018

If the sum of the digits is a multiple of three so is the original number (this is because 10 and 1 have the same remainder when divided by 3).

We know H+H+H is divisible by three (zero or not) so so is HHH.

Answer: 3

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