Quantitative Aptitude
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Permutation, Combination & Probability
Question
13 out of 20
If two regular sixsided dice are thrown, the probability that the sum will be a prime number is
A  5/36 
B  1/6 
C  5/12 
D  ½ 
E  None of These

Ans. C Sum will be prime no. means {(1,1), (1,2), (1,4), (1,6), (2,1), (2,3), (2,5), (3,2), (3,4), (4,1), (4,3), (5,2), (5,6), (6,1), (6,5)}
=
Permutation, Combination & Probability Flashcard List
20 flashcards
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