Subject
Quantitative Aptitude
Topic
Probability
Two dice are rolled simultaneously. Find the probability of getting a total of 9.
Two dice are rolled simultaneously. Find the probability of getting a total of 9.
ক)
1/3খ)
1/9গ)
8/9ঘ)
9/10Explanation
S = { (1, 1), (1, 2), (1, 3), (1, 4),(1, 5), (1, 6), (2, 1), (2, 2),.........(6, 5), (6, 6) } => n(S) = 6 x 6 = 36 E = {(6, 3), (5, 4), (4, 5), (3, 6) } => n(E) = 4 Therefore, P(E) = 4/36 = 1/9Related questions
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