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    Question

    Ratio of the cost price of article ‘A’ to ‘B’ is

    6:7, respectively. Article ‘A’ is marked up by 30% above its cost price and then sold at a discount of 20%. If the profit earned on article ‘A’ is Rs. 600, then find the cost price of article ‘B’.
    A Rs. 12500 Correct Answer Incorrect Answer
    B Rs. 17000 Correct Answer Incorrect Answer
    C Rs. 17500 Correct Answer Incorrect Answer
    D Rs. 16500 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    Let the cost price of article ‘A’ be Rs. 6x Marked price of article ‘A’ = 1.3 × 6x = Rs. 7.8x Selling price of article ‘A’ = 7.8x × 0.8 = Rs. 6.24x Or, 6x + 600 = 6.24x Or, 0.24x = 600 Or, x = 2500 Cost price of article ‘B’ = 7x = 7 × 2500 = Rs. 17500

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