GMAT 考满分题库

- 数学PS -
Polly's kindergarten class has 25 children. If 10 children play in the sandbox, and 12 children play on the jungle gym, and 11 play in neither the sandbox nor the jungle gym, how many do both?
  • A4
  • B5
  • C6
  • D8
  • E16
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正确答案: D

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