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Railways PYQCBT 1 2020

RRB NTPC · Question 77

Two dice are thrown simultaneously and the sum of the numbers appearing on them is noted. What is the probability that the sum is 12?

  1. \(\frac{1}{36}\)

  2. 3

  3. 36

  4. \(\frac{12}{36}\)

Show answer & explanation

Answer: (A) \(\frac{1}{36}\)

Explanation

There are 36 equally likely outcomes and only (6, 6) gives a sum of 12. Probability = 1/36.