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MHT CET2007MathematicsProbability

Two dice are rolled one after the other. The probability that the number on the first is smaller than the number on the second, is

Options

  1. A1 2
  2. B7 18
  3. C3 4
  4. D5 12

Correct answer

D. 5 12

Step-by-step solution

Let A_ i = Event of getting a number i on first die. B_ i = Event of getting a number more than i on second die. The required probability

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