Lessons

General Aptitude
34.1 Probability - General Questions

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Q.

What is the probability of getting a sum 9 from two throws of a dice?

View Answer

Correct choice: C

Explanation:

In two throws of a dice, n(S) = (6 x 6) = 36.

Let E = event of getting a sum ={(3, 6), (4, 5), (5, 4), (6, 3)}.

∴ P(E) = n(E)/n(S) = 4/36 = 1/9.

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