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    Question

    The probability that Kabir clears an interview is (2/5)

    and the probability that Simran fails is (1/4). Find the probability that both have the same result if both appear.
    A 9/20 Correct Answer Incorrect Answer
    B 11/20 Correct Answer Incorrect Answer
    C 13/20 Correct Answer Incorrect Answer
    D 7/20 Correct Answer Incorrect Answer

    Solution

    Probability that Kabir fails = 1 - (2/5) = (3/5)
    Probability that Simran passes = 1 - (1/4) = (3/4)
    Required probability = (2/5) ├Ч (3/4) + (3/5) ├Ч (1/4)
    = (6/20) + (3/20) = (9/20)

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