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Riddle for Mathematician

Riddle for Mathematician - 16 September

How can you write nineteen in a manner that if we take out one, it becomes twenty ?
For Solution : Click Here

4 comments:

  1. I know the answer is XIX but I also think an alternative answer is the absolute value of -19. Because by itself the answer is 19 and if you minus 1 it become 20.

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    Replies
    1. your also good If we substract I from XIX is XVIII so the above answer is just logic

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