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How many permutations exist of the letters a, b, c, d taken four at a time? A)24 B)12 C)4
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4 votes
How many permutations exist of the letters a, b, c, d taken four at a time?

A)24
B)12
C)4

User Brildum
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1 Answer

3 votes
The answer to this is A, 24
4*3*2*1=24
User Dominik Reinert
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