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    Question

    Ratio of cost price of article ‘P’ and article

    ‘Q’ is 2:3, respectively. Profit percentage earned on selling article ‘P’ is same as loss percentage incurred on selling article ‘Q’. Total selling price of both the articles is Rs. 9400. If average of cost price of both the articles is Rs. 5000, then find the difference between their selling prices.
    A Rs. 1200 Correct Answer Incorrect Answer
    B Rs. 1000 Correct Answer Incorrect Answer
    C Rs. 800 Correct Answer Incorrect Answer
    D Rs. 1400 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total cost price of articles ‘P’ and ‘Q’ together = 5000 × 2 = Rs. 10000 Cost price of article ‘P’ = 2/5 × 10000 = Rs. 4000 Cost price of article ‘Q’ = 10000 – 4000 = Rs. 6000 Let profit percentage earned on selling article ‘P’ is x%. So, 4000 × (1 + x/100) + 6000 × (1 – x/100) = 9400 Or, 4000 + 40x + 6000 – 60x = 9400 Or, 10000 – 20x = 9400 Or, 20x = 600 Or, x = 30 So, desired difference= 1.30 × 4000 – 0.70 × 6000 = 5200 – 4200 = Rs. 1000

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