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Let k denote the number of ways in n boy...

Let k denote the number of ways in n boys sit in a row such that three particular boys are repeated. Then

A

3! Divides k

B

`(n-2) !` Divide k

C

`.^(n-2)C_(3)` divides k

D

`(n-3)^(2)(n-4)^(2)` divides k

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The correct Answer is:
a,b,c,d
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