Relatives of a man comprises 4 ladies and 3 gentlemen and his wife has also 7 relatives : 3 of them are 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 manquotesingle s relative and 3 of the wifequotesingle s relatives.: Permutations and Combinations (Mathematics) Question | DivineJEE | divineJEE