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    Question

    A box has 80 Red, 40Blue and 40 Black Balls. 25% of Red

    Balls and 50% of Blue Balls are taken away, percentage of Black balls at present is
    A 25% Correct Answer Incorrect Answer
    B 50% Correct Answer Incorrect Answer
    C 37.5% Correct Answer Incorrect Answer
    D 33.33% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Remaining Balls = (80 + 40 +40) – 40 = 120 Required Percentage = 40/120  ×100 = 33.33%

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