Fifteen telegenic contestants with a variety of personality disorders are to be divided into two “tribes” of four members each, tribe A and tribe B, for a competition. How many distinct groupings of two tribes are possible?\nOptions:\n(A) 120\n(B) 126\n(C) 252\n(D) 1200\n(E) 1365 Stream of consciousness:
User
My ans is 15C4 = 1365
Thus, the answer is (E).
Assistant