GMAT 考满分题库

Magoosh - 数学PS - 59
If four numbers are randomly selected without replacement from set {1, 2, 3, 4}, what is the probability that the four numbers are selected in ascending order?
  • A$$\frac{1}{256}$$
  • B$$\frac{1}{64}$$
  • C$$\frac{1}{48}$$
  • D$$\frac{1}{24}$$
  • E$$\frac{1}{12}$$
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正确答案: D

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