Probability Questions and Answers for Bank Exams and SSC

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Probability questions and answers

Important Probability Questions and Answers:

Q.17. From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

(A) 1/17

(B)  26/27

(C) 35/52

(D) 1/221

(E) None of these


Ans .   D

Q.18. Two cards are drawn from a pack of 52 cards. The probability that either both are red or both are kings, is:

(A) 8/15

(B) 7/13

(C) 3/26

(D) 55/221

(E) None of these


Ans .   D

Q.19. A box contains 5 green, 4 yellow and 3 white marbles. Three marbles are drawn at random. What is the probability that they are not of the same colour?

(A) 5/44

(B) 3/55

(C) 52/58

(D) 41/44

(E) None of these


Ans .   D

Q.20. A bag contains 6 white and 4 red balls. Three balls are drawn at random. What is the probability that one ball is red and the other two are white?

(A) 1/2

(B) 2/3

(C) 3/2

(D) 5/7

(E) None of these


Ans .   A

Q.21.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?

(A) 2/5

(B) 5/4

(C) 6/19

(D) 8/21

(E) 5/21


Ans .   D

Q.22. A box contains 4 red balls, 5 green balls and 6 white balls. A ball is drawn at random from the box. What is the probability that the ball drawn is either red or green?

(A) 4/5

(B) 3/5

(C) 2/7

(D) 7/15

(E) None of these


Ans .   B

Q.23. Four persons are chosen at random form a group of 3 men, 2 women and 4 children. The chance that exactly 2 of them are children, is:

(A) 1/9

(B) 2/5

(C) 1/12

(D) 10/21

(E) None of these


Ans .   D

Q.24. In a class, 30% of the students offered English, 20% offered Hindi and 10% offered both. If a student is selected at random, what is the probability that he has offered English or Hindi?

(A) 2/5

(B) 5/4

(C) 3/5

(D) 3/8

(E) None of these


Ans .   A

Ask me in the comment section, If you face any problem while solving important probability questions. Visit next page for more chain rule problems.

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    Vikram Singh

    Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.

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