【GMAT考满分数学PS题库】Ben and Ann are among 7 contestants from which 4 s_真题_答案_解析 GMAT考满分官网

- 数学PS -

题目内容

Ben and Ann are among 7 contestants from which 4 semifinalists are to be selected. Of the different possible selections, how many contain neither Ben nor Ann?

A5
B6
C7
D14
E21

显示答案

正确答案: A

讨论题目或发起提问

登录 | 注册

题目讨论

按热度
按顺序

正确率： 84%

难度：

题目来源

题目来源1:300难题

最新提问

保存笔记