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Earn 100
An ordinary cube has four blank faces, one face marked and another marked , then the probability of obtaining in five throws is:
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Important Questions on Probability
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A bag contains five white and three black balls and four are successively drawn out not replaced, what is the probability they are alternately of different colours?
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Two dices are thrown. The probability that the sum of the points appearing on two dices is odd, or less than nine, or both is:
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A bag contains white and black balls. Two balls are drawn at random. What is the probability that they are of the same colour?
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A box contains three red, six blue, two green and four yellow balls. If four balls are picked at random, what is the probability that at least one is yellow?
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A box contains three red, six blue, two green and four yellow balls, If two balls are picked at random, then what is the probability that either both are red or both green?
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In a container there are eggs out of which eggs are rotten. If two eggs are chosen at random, what will be the probability that at least one egg is rotten?
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There are red, white and black balls in an urn. If two balls are selected at random, what is the probability that one ball is white and the other ball is red?
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One ball is drawn at random from a bag having eight yellow, seven blue and six black balls. What is the probability that it is neither yellow nor black?
