Question

    A bag contains 5 green gems and 7 orange gems. If 2

    balls are drawn random, then what is the probability that at least 1 gem is orange.
    A 21/34 Correct Answer Incorrect Answer
    B 24/31 Correct Answer Incorrect Answer
    C 18/23 Correct Answer Incorrect Answer
    D 28/33 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Required probability = (5C1 x 7C1 + 7C2 x 5C0)/ 12C2 = 56/66 = 28/33

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