An urn contains 10 black and 5 white bal...

An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black?

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MODERN PUBLICATION-PROBABILITY-EXERCISE

Two balls are drawn at random with replacement from a box containing 1...
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Two balls are drawn at random with replacement from a box containing 1...
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An urn contains 10 black and 5 white balls. Two balls are drawn from t...
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A bag contains 5 white and 3 black balls. Four balls are successively ...
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A bag contains 4 red and 3 black balls. A second bag contains 2 red an...
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Three cards are drawn successively, without replacement from a pack of...
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A bag A contains 6 white and 7 black balls while the other bag B conta...
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There are three urns A,B and C . Urn A contains 4 white balls and 5 bl...
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A speaks truth in 70% of the cases and B in 80% of the cases. In what ...
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A speaks truth in 75% of cases and B in 80% of cases. The percentage o...
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A and B toss a coin alternately till one of them tosses a head and win...
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A and B throw a die alternatively till one of them gets a ‘6’ and wins...
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A and B throw a die alternatively till one of them gets a ‘6’ and wins...
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A and B throw a pair of dice alternately, till one of them gets a tota...
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A, B and C in tum throw a die and one who gets a 6 first wins the game...
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A, B and C in tum throw a die and one who gets a 6 first wins the game...
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Three ships A, B, C sail from England to India. Odds in favour of thei...
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A husband and his wife appear for an interview for two parts. The prob...
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Amit and Nisha appear for an interview for two vacancies in a company....
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A problem is given to three students, whose chances of solving it are ...
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