问一道GMAT的DS题a school administrator will assign each student in a group of n students to one of m classrooms. if 3
问题描述：
问一道GMAT的DS题
a school administrator will assign each student in a group of n students to one of m classrooms. if 3
答
D
最终要证明 N/M为一个整数.
然后从1得,m*p=3n (p代表每个房人数) (m*p)/3=n 因为3《M《13 ,N为正整数,所以p为3的倍数 所以n/m=p/3=正整数
同理得2
所以D