Question: 45 pupil,out of them 12 in debate only and 22 in singing only.then how many in both?\nOptions:\n(A) 9\n(B) 10\n(C) 11\n(D) 12\n(E) 13 Random thoughts:
User
The intersection for two = 45 - 12 - 22 = 11 play both games. The final answer: (C).
Assistant