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
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
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
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
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
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
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
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
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