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Probability Practice Questions & Answers

0 vote

 A box contains 3 white and 2 red balls. If we draw one ball and ball and without replacing the first ball. The probability of drawing red ball in the second drawn is ?

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 A box contains 3 white and 2 red balls. If we draw one ball and ball and without replacing the first ball. The probability of drawing red ball in the second drawn is ?

A). 8/25

B). 2/5

C). 3/5

D). 21/25

0 vote

 if from each of the three boxes containing 3 white and 1 black, 2 white and 2 black and 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will

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 if from each of the three boxes containing 3 white and 1 black, 2 white and 2 black and 1 white and 3 black balls, one ball is drawn at random, then the probability that 2 white and 1 black ball will

A). 13/32

B). 1/4

C). 1/32

D). 3/16

1 vote

 A card is drawn at random from a pack of 52 cards. A card is drawn at random. What is the probability that it is neither a heart nor a king ?

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 A card is drawn at random from a pack of 52 cards. A card is drawn at random. What is the probability that it is neither a heart nor a king ?

A). 4/13

B). 9/13

C). 2/13

D). 4/13

0 vote

 Two cards are drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces ?

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 Two cards are drawn at random from a pack of 52 cards. What is the probability that the drawn cards are both aces ?

A). 1/221

B). 2/13

C). 2/26

D). None of these

0 vote

 If four balls are picked at random, what is the probability that two are green and two are blue ?

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 If four balls are picked at random, what is the probability that two are green and two are blue ?

A). 1/18

B). 1/70

C). 3/5

D). 1/2