Problem Solving
试题详情
题目：
Of the 32 students in a certain class, 15 are in a music club and 20 are in a dance club. If 10 of the students are not in either club, how many of the students are in only one of the two clubs?
选项:
A、5
B、9
C、10
D、17
E、25
答案:
B
