Probability Ques 19
Question-
If two unbiased dice were rolled simultaneously, what is the probability that the sum obtained from them would be a multiple of 6 ?
(1) $\frac{1}{3}$
(2) $\frac{1}{9}$
(3) $\frac{2}{9}$
(4) $\frac{1}{6}$
(5) $\frac{1}{2}$
(IBPS RRBs Officers CWE (Prelim Exam) 09.09.2017 IInd Sitting)
Show Answer
Correct Answer: (4)
Solution: (4)
Total possible outcomes $=6 \times 6=36$
Total favourable outcomes $=(3,3),(2,4),(4,2),(1,5),(5,1), (6,6)=6$
$\therefore$ Required probability $=\frac{6}{36}=\frac{1}{6}$
BETA
