Permutation and Combination

Q1: In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

A 63

B 90

C 126

D 45

E 135

ANS:A - 63

Required number of ways = (⁷C₅ x ³C₂) = (⁷C₂ x ³C₁) =		7 x 6	x 3		= 63.
		2 x 1

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