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    Question

    The ratio of the cost price and marked price of an

    article is 3:7, respectively. The article is sold after giving a discount of Rs. 800 such that there is a profit of 50%. Find the amount by which the article is marked up above its cost price.  
    A Rs. 1280 Correct Answer Incorrect Answer
    B Rs. 1250 Correct Answer Incorrect Answer
    C Rs. 1125 Correct Answer Incorrect Answer
    D Rs. 1800 Correct Answer Incorrect Answer
    E Rs. 3600 Correct Answer Incorrect Answer

    Solution

    Let the cost price and marked price of the article be Rs. 3x and Rs. 7x, respectively Therefore, selling price of the article = 1.5 × 3x = Rs. 4.5x According to the question, 7x – 4.5x = 800 Or, x = 800/2.5 = 320 Therefore, amount by which article is marked up above its cost price = 7x – 3x = 4x = Rs. 1280

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