There are 5 black and 6 red balls in a b...

There are 5 black and 6 red balls in a bag. If 3 balls are drawn at random, find the probability that these balls are black.

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`2/33`

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NAGEEN PRAKASHAN ENGLISH-PROBABILITY-EXERCISE

There are 5 red, 4 black and 3 blue balls in bag. A ball is drawn at r...
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There are 4 white and 6 black balls in a bag. Two balls are drawn at r...
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There are 5 black and 6 red balls in a bag. If 3 balls are drawn at ra...
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The odds in favour of occurrence of an event are 2:5. Find the probab...
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The odds in favour of the occurrence of an event are 3:5. Find the pro...
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The odds against of the occurrence of an event are 4:5 . Find the prob...
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The odds against of the occurrence of an event are 6:7. Find the proba...
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In a class of 50 students, 20 are boys and rest are girls. A student ...
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The probability of the occurrence of an event is 3/10. Find the probab...
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The probability of the non-occurrence of an event is 2/7. Find the pro...
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In a horse race, the probability that horse A can win is 2/5 and the p...
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The probabilities that three children can win a race are 1/3,1/4 and 1...
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In an essay competition, the odds in favour of competitors P, Q, R ...
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In two independent events the probability of happening one event is 2...
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Find the probability of getting tail each time in three tosses of a co...
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Find the probability of getting 3 each time in three throws a dice.
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Find the probability of getting at least one head in three throws of a...
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Find the probability of getting 5 at most 3 times in four throws of a ...
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The probability of happening of an event is 0.6 for one experiment. In...
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A can hit a target 4 times out of 5 trial. B can hit 3 times of 4 tria...
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