# Two dice are rolled simultaneously. The probability that they show different faces isA. B. C. D. Total numbers of elementary events are: 6 x 6 = 36

Let E be the event of getting of showing different faces on both the dice

Numbers of favorable events on first dice are: 6

Numbers of favorable events on second dice are: 5

Total numbers of favorable events are = 6 × 5 = 30

P (each dice showing different face) = 30/36 = 10/12 = 5/6

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