GMAT 考满分题库

- 数学PS -
A represents all multiples of 3 from 1 to 50 (inclusive), B represents all multiples of 5 from 1 to 50 (inclusive). How many numbers are there in the set of A and B?
  • A6
  • B8
  • C12
  • D20
  • E23
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正确答案: E

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