Q.
Three dice rolled simultaneously. The probability that the sum of the numbers on them is 6 is
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a
136
b
5108
c
2651
d
1334
answer is B.
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Detailed Solution
n(S)=6×6×6=216 n(E)=(6−1)(6−2)2=10 (∵n(E)=(r−1)(r−2)2) P(E)=10216=5108
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