Permutation and Combination - General Aptitude

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