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MHT CET · Maths · Probability

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

  1. A \(\frac{1}{2}\)
  2. B \(\frac{7}{18}\)
  3. C \(\frac{3}{4}\)
  4. D \(\frac{5}{12}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\frac{5}{12}\)

Step-by-step Solution

Detailed explanation

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
$$