If 42( n P 2 ) = n P 4 then the value of n is

If 42(nP2) =... - Solved

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Question 15

Mathematics Permutation and Combination Hard

If 42(nP2) = nP4 then the value of n is

(A) 2

(B) 4

(C) 9

(D) 42

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Correct Solution: Option C

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