Q37:
A club with a total membership of 30 has formed 3 committees, M, S, and R, which have
8, 12, and 5 members, respectively. If no member of committee M is on either of the
other 2 committees, what is the greatest possible number of members in the club who are
on none of the committees?
A. 5
B. 7
C. 8
D. 10
E. 12
我是这样做的
30-8-12-5=5,可是答案是D
谢谢 |