GMAT 考满分题库

Magoosh - 数学PS - 360
For a certain cylinder, the diameter equals the height. If every length in this cylinder is decreased by 60%, then to the nearest integer, by what percent does the volume decrease?
  • A22%
  • B40%
  • C60%
  • D84%
  • E94%
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正确答案: E

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