1
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Question

# E is the event of 'getting an even prime number' on rolling a dice once. The probability of it's complementary event is .

A
16
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B
23
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C
13
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D
56
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E
1
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Solution

## The correct option is D 56E is the event getting an even prime number. Favourable outcome for E = {2} ∴ Outcome for it's complementary event are : {1, 3, 4, 5, 6} Number of favourable outcomes for complementary event = 5 Total no. of outcomes = 6 ∴ Required probability = 56

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