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Question

The probability of which of the following events is 1?

A
Probability of getting a blue ball from a bag having only red balls.
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B
Probability that the topper of the class is a boy in a girl’s school.
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C
Probability that a multiple of 6 is an even number.
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D
Probability of getting a red card is chosen from a pack of 52 cards.
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Solution

The correct option is C Probability that a multiple of 6 is an even number.
The probability of a certain event is 1.
So, in case of certain event,
P(E)=No. of favourable outcomesNo. of total possible outcomes=1

No. of favourable outcomes = No. of possible outcomes
All the multiples of 6 are divisible by 2. Thus, all the multiples of 6 are even numbers.
Hence, the probability that a multiple of 6 is an even number is 1.

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