GMAT 考满分题库

- 数学PS -
There is one decayed apple in five apples. Take 2 apples randomly from these 5 apples. What's the probability that one of these two apples is the decayed apple?
  • A0.2
  • B0.3
  • C0.4
  • D0.5
  • E0.6
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正确答案: C

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