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Gaokao Math Practice Question

11. (5 分) 从分别写有 $1,2,3,4,5$ 的 5 张卡片中随机抽取 1 张, 放回后再 随机抽取 1 张, 则抽得的第一张卡片上的数大于第二张卡片上的数的概率为(

  1. A.$\frac{1}{10}$
  2. B.$\frac{1}{5}$
  3. C.$\frac{3}{10}$
  4. D.$\frac{2}{5}$

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