GMAT 考满分题库

- 数学PS -
Three stacks containing equal numbers of chips are to be made from 9 red chips, 7 blue chips and 5 green chips are used and each stack contains at least 1chip of each color. What is the maximum number of red chips in one stack?
  • A7
  • B6
  • C5
  • D4
  • E3
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正确答案: C

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