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How many distinguishable 5-letter combinations are possible of the letters of the word tight?
Wiki User
∙ 10y ago
Normally, there would be 5!=120 different permutations* of five letters. Since two of the letters are the same, we can each of these permutations will be duplicated once (with the matching letters switched). So there are only half as many, or 60 permutations.
* (the correct terminology is "permutation". "combination" means something else.)
Wiki User
∙ 10y ago
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