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Question

There are 25 red balls, 42 blue balls and 33 yellow balls in a bag. Kiran mixes the balls thoroughly inside the bag and then picks a ball at random from the bag. What is the probability that Kiran picks a blue ball?


A

0.42

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B

0.50

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C

0.62

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D

0.82

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Solution

The correct option is A

0.42


For an event E,

P(E)=Number of favourable outcomes Number of all possible outcomes

There are 42 blue balls in the bag. Thus, the number of favourable outcomes is 42.

Total number of balls inside bag = 25 + 42 + 33 = 100

Thus P(picking blue ball) =42100=0.42


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