Question
Two different dice are thrown at the same time. Find the probability of getting :
(ii)sum divisible by 5
(ii)sum divisible by 5
✓
Answer
Total number of outcomes when two dice are rolled $=36$
Sum divisible by 5
favorable outcomes are: $(1,4),(2.3),(3,2),(4,1),(4,6),(5,5),(6,4)$
Number of favorable outcomes $=7$
$
P(\text { Sum divisible by } 5)=\frac{\text { Number of favourable outcomes }}{\text { Total number of outcomes }}=\frac{7}{36}
$
Sum divisible by 5
favorable outcomes are: $(1,4),(2.3),(3,2),(4,1),(4,6),(5,5),(6,4)$
Number of favorable outcomes $=7$
$
P(\text { Sum divisible by } 5)=\frac{\text { Number of favourable outcomes }}{\text { Total number of outcomes }}=\frac{7}{36}
$
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