Answer :
Number of combinations of 5 women from 7 = 7C5 = 7*6 / 2 = 21
for men its 7C4 = 7*6*5 / 3*2 = 35
Total number of ways = 21*35 = 735
for men its 7C4 = 7*6*5 / 3*2 = 35
Total number of ways = 21*35 = 735