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    Question

    An electronic item is listed at Rs. 6000. After two

    successive discounts, the final price paid is Rs. 4080. If the first discount is 15%, what is the percentage of the second discount?
    A 20% Correct Answer Incorrect Answer
    B 18% Correct Answer Incorrect Answer
    C 35% Correct Answer Incorrect Answer
    D 42% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the second discount be x% According to the question, 6000 × 85% × (100 – x)% = 4080 ⇒ 5100 × (100 – x)/100 = 4080 ⇒ 51 × (100 – x) = 4080 ⇒ 100 – x = 4080 / 51 ⇒ 100 – x = 80 ⇒ x = 100 – 80 x = 20%

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