GMAT 考满分题库

- 数学PS -

The people who entered a room received upon entering distinct, consecutive identification numbers from 1000 to 1249. What is the probability that a person in the room selected at random will have an identification number with a hundreds digit of 1?

  • A

    2 5

  • B

    2 7

  • C

    33 83

  • D

    99 250

  • E

    100 249

显示答案
正确答案: A

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问