Question

a man has 7 relatives, 4 of them are ladies and 3 are gentleman, his wife has 7 relatives and three of them armrest ladies and 4 gentlemen. in how many ways can they invite a dinner party of 3 ladies and 3 gentlemen so that there are 3 of husbands relatives and 3 of wife's relatives

Answer 1

The man invites his 3 relatives (gentleman) and his wife will invite her 3 relatives (ladies).It means that 3 gentleman were invited by the man and the three ladies were invited by his wife.