GMAT 考满分题库

- 数学PS -
p < q < r < s < t. The average of these five numbers is 6 less than t and 5 more than p. What is the range of {p,q,r,s,t}?
  • A5
  • B7
  • C9
  • D11
  • E13
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正确答案: D

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