【GMAT考满分数学PS题库】In a group of 9 children, there are twice as many _真题_答案

Manhattan - 数学PS - 24

题目内容

In a group of 9 children, there are twice as many girls as boys, and twice as many right-handed people as there are left-handed people. If a third of the boys are left-handed, how many girls are right-handed?

A1
B3
C4
D5
E6

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正确答案: C

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