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    Question

    A shopkeeper increased the price of an article by 50% over

    its cost price. If the article is sold at a 10% discount, calculate the shopkeeper's gain percentage.
    A 12% Correct Answer Incorrect Answer
    B 17% Correct Answer Incorrect Answer
    C 21% Correct Answer Incorrect Answer
    D 35% Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the cost price of the article be Rs. '200z'

    So, marked price = 200z * 1.5 = Rs. '300z'

    So, selling price = 300z * 0.90 = Rs. '270z'

    So, required gain percentage = {(270z - 200z)/200z} * 100 = 35%

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