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    Question

    A shopkeeper marked an article Rs. 600 above its cost

    price and sold it after giving a discount of 20% and earned a profit of 30%. Find the cost price of the article
    A Rs. 900 Correct Answer Incorrect Answer
    B Rs. 970 Correct Answer Incorrect Answer
    C Rs. 960 Correct Answer Incorrect Answer
    D Rs. 990 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let cost price of the article is Rs. 100x So, 1.30 × 100x = 0.80 × (100x + 600) Or, 130x = 80x + 480 Or, 50x = 480 Or, x = 9.6 Cost price of the article = 100 × 9.6 = Rs. 960

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