GMAT 考满分题库

- 数学PS -
In a list of numbers, the first number is 3, the second is 4, and each subsequent number is the sum of all the preceding numbers in the list. If the 20th number in the list is x, what is the 25th number in the list?
  • A7x
  • B16x
  • C32x
  • D35x
  • E161x
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正确答案: C

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