Out of a total of 7 men and 3 women, how many ways can a group of 5 men and 2 women be formed?
A. 63
B. 90
C. 126
D. 45
Answer:A
Out of a total of 7 men and 3 women, how many ways can a group of 5 men and 2 women be formed?
A. 63 B. 90 C. 126 D. 45
Explanation: 7 x 6/2 x 1 x 3 = 63 = (7C5 x 3C2) = (7C2 x 3C1) = 7 x 6/2 x 1 x 3 =63