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26-12-2017
Mathematics

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How many 3 letter words can be made from the letters of nonillion if no repeated letters are allowed?

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26-12-2017

There are only four distinct letters: i, l, n, o. By words I assume any 3-letter combinations.
There are 4 ways to select 3 out of 4 letters and there are 6 ways to arrange the 3 letters so the total number of words is 4*6=24.

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