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wipro Placement Papers with Solution Page 53

(#M40006328) WIPRO QUESTION probability Keep an EYE

In a single throw with two dice,the probability of throwing the sum less than 11 is
a)11/12 b)35/36 c)31/36 d)3/4

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(#M40006327) WIPRO QUESTION probability Keep an EYE

If P(Aintersection B) = 0.2,P(A)=0.5 and P(AUB) = 0.7then P(B`)=
a)0.4 b)0.8 c)0.6 d)0.3

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(#M40006326) WIPRO QUESTION probability Keep an EYE

A bag has 10 bulbs of which 3 are defective.If three bulbs are drawn in succession without replacement,the prabability of all the three being defective is
a)(3/10)^3 b)1/120 c)1/80 d)7/120

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(#M40006325) WIPRO QUESTION probability Keep an EYE

Out of first 20 natural numbers,one number is picked at random.The probability that it is wither an even number or a prime number is
a)1/2 b)16/19 c)4/5 d)17/20

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(#M40006324) WIPRO QUESTION probability Keep an EYE

If a card is drawn from a well shuffled pack of cards,the kprobability of drawing a spade or a king is
a)19/52 b)17/52 c)5/13 d)4/13

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(#M40006323) WIPRO QUESTION probability Keep an EYE

The odds against Arun solving a problem are 5:7 and the odds in favor of Prashant solving the same problem are 4:3.The probability that only one of them can solve the problem is
a)13/84 b)41/84 c)17/84 d)23/84

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(#M40006322) WIPRO QUESTION probability Keep an EYE

Two dice are rolled.The probability of getting a sum of atleast 9 is
a)13/36 b)5/18 c)35/36 d)11/36

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(#M40006321) WIPRO QUESTION probability Keep an EYE

If 3 dice are thrown, the probability of getting an even number on each die is
a)4/9 b)3/4 c)3/16 d)1/8

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(#M40006320) WIPRO QUESTION probability Keep an EYE

A bag contains 7 green and 8 white balls.If two balls are drawn simutaneously,the probability that both are of the same colour is
a)8/15 b)7/15 c)3/5 d)8/15

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(#M40006319) WIPRO QUESTION probability Keep an EYE

If P(A) = 0.75 and B is an event which is mutually exclusive with A,P(A intersection B)=
a)0.25 b)0.35 c)0.81 d)none

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