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Discussion :: Probability

  1.  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?

    2. A.

    1/7
    B.

    2/7
    C.

    7/3
    D.

    3/7

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    Answer : Option D

    Explanation :

    NA

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