国际顶尖MBA申请交流平台--TOPWAY MBA

标题: GWD24-12 [打印本页]

作者: 丁香花儿 时间: 2008-10-23 07:02 标题: GWD24-12

During a 10-week summer vacation, was the average (arithmetic mean) number of books that Carolyn read per week greater than the average number of books that Jacob read per week?

(1) Twice the average number of books that Carolyn read per week was greater than 5 less than twice the average number of books that Jacob read per week.

(2) During the last 5 weeks of the vacation, Carolyn read a total of 3 books more than Jacob.

我选E，答案是A，为啥呢？

Does the decimal equivalent of P/Q, where P and Q are positive integers, contain only a finite number of nonzero digits?

(1) P>Q

(2) Q=8

我选B，答案是E。B为啥错呢？

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