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probability questions and answers

13 Articles

The probability that a card is drawn from a pack of 52 cards will form a pack of 52 cards will be diamond or king is ?

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Answer : B. 4/13

Four whole number taken at random are multiplied together. The chance that the last digit of the product is 1, 3, 7, or 9 is ?

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Answer : A. 16/625

A brother and sister appear for an interview against two vacant posts in an office. The probability of the brother’s selection is 1/5th and that of the sister’s selections is 1/3rd. What is the probability that one of them is selected ?

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Answer : B. 2/5

A bag contains 8 red and 5 white balls. 2 balls are drawn at random. What is the probability that both are white ?

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Answer : D. 5/39

The probability of drawing a red card from a deck of playing cards is ?

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Answer : D. 1/2

If the probability that A will live 15 year is 7/8 and that B will live 15 year is 9/10, then what is the probability that both will live after 15 year ?

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Answer : B. 63/80

A card is drawn from a well-shuffled pack of cards. The probability of getting a queen of club or king of the heart is ?

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Answer : B. 1/26

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?

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Answer : D. 9/20...

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green ?

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Answer : A. 1/3

Two dice are rolled together. What is the probability of getting two numbers whose product is even ?

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Answer : C. 3/4

A bag contains 4 black, 5 yellow and 6 green balls. Three balls are drawn at random from the bag. What is the probability that all of them are yellow ?

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Answer : A. 2/91

Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond ?

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Answer : C. 13/102...

If 56Pr+ 6 : 54Pr + 3 = 30800 : 1 then the value of r is ?

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Answer : B. 41

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