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    Question

    What is the single discount rate that is equivalent to

    applying three successive discounts of 10%, 15%, and 20%, respectively?
    A 41.6% Correct Answer Incorrect Answer
    B 42.2% Correct Answer Incorrect Answer
    C 38.8% Correct Answer Incorrect Answer
    D 39.4% Correct Answer Incorrect Answer

    Solution

    Let the initial amount be Rs. '100x' Amount after three successive discounts = 100x X 0.9 X 0.85 X 0.8 = Rs. '61.2x' So, total discount allowed = {(100x - 61.2x)/100x} X 100 = 38.8%

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