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Probability Practice Questions & Answers

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 Number 1 to 25 are marked on tokens of equals size one on each. A token is drawn at random. Find the probability of getting a number divisible by both 2 and 3?

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 Number 1 to 25 are marked on tokens of equals size one on each. A token is drawn at random. Find the probability of getting a number divisible by both 2 and 3?

A). 4/25

B). 7/25

C). 2/25

D). 9/25

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 Two dice are thrown simultaneously. What is the probability of getting a number other than 4 on any dice ?

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 Two dice are thrown simultaneously. What is the probability of getting a number other than 4 on any dice ?

A). 25/36

B). 1/3

C). 17/36

D). 2/3

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 There are 8 blue and 4 white balls in a bag . A ball is drawn at random. Without replacing it another ball is drawn. Find the probability that both the balls drawn are blue ?

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 There are 8 blue and 4 white balls in a bag . A ball is drawn at random. Without replacing it another ball is drawn. Find the probability that both the balls drawn are blue ?

A). 7/33

B). 14/33

C). 11/33

D). 2/33

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 A bag contains 5 white, 7 red and 8 black balls. If 4 balls are drawn one by one with replacement, what is the probability that all are white ?

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 A bag contains 5 white, 7 red and 8 black balls. If 4 balls are drawn one by one with replacement, what is the probability that all are white ?

A). 1/256

B). 1/16

C). 4/20

D). 4/8

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 A and B aim a target. The Probability that A hits the target is 5/7 and B hits the target in 7/10. What is the probability that exactly one of them hits the target ?

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 A and B aim a target. The Probability that A hits the target is 5/7 and B hits the target in 7/10. What is the probability that exactly one of them hits the target ?

A). 21/10

B). 29/70

C). 31/70

D). 33/70