Question

Find the number of permutations of 4 different things taken 3 at a time

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Answer 1

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Answer 2

Answer: -

$4p3$ = $\frac{4!}{(4-3)!}$  

      =$\frac{4.3.2.1!}{1!}$

      1! and 1! gets Cancelled.

So the Answer is 4.3.2 = 24.

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