JJ输血请教

wwbben · 发表于 2010-11-30 16:00:13

请教各位大虾，12月输血JJ整理版中第36题附加的prep的那道题，为什么答案是A呢？Last month15 homes were sold in Town X. The arithmetic mean sale price of the homes is$150,000 and the median price was $130,000. Which of the following statementsmust be true?

I. At leastone of the homes was sold for more than $165,000
II. Atleast one of the homes was sold for more than $130,000 and less than $150,000
III. Atleast oe of the homes was sold for less than $130,000.

Answerchoices
I only
II only
III only
I and II
I and III

wwbben · 发表于 2010-11-30 16:29:51

为什么第三个说法不对？？

JJ输血请教

所属分类: GMAT考试

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