问题求解PS-HLFE
出处: GMATPrep

Last month 15 homes were sold in Town X. The average (arithmetic mean) sale price of the homes was $150,000 and the median sale price was $130,000. Which of the following statements must be true?

I. At least one of the homes was sold for more than $165,000.

II. At least one of the homes was sold for more than $130,000 and less than $150,000.

III. At least one of the homes was sold for less than $130,000.
  • AI only

  • BII only

  • CIII only

  • DI and II

  • EI and III

显示答案
正确答案:A
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