GMAT 考满分题库

- 数学PS -
Of the animals in a certain zoo, $$\frac{1}{3}$$ are zebras, $$\frac{1}{6}$$ are giraffes, $$\frac{1}{5}$$ are orangutans, and the rest is comprised of 36 hyenas. How many zebras are in the zoo?
  • A12
  • B20
  • C36
  • D40
  • E240
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正确答案: D

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