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      Question

      Selling price of article โ€˜Aโ€™ when sold at a profit

      of 50% is Rs. 180 more than its selling price when sold at a loss of 40%. If the cost price of article โ€˜Bโ€™ is Rs. 80 more than that of โ€˜Aโ€™, then find the cost price of article โ€˜Bโ€™.
      A Rs. 220 Correct Answer Incorrect Answer
      B Rs. 240 Correct Answer Incorrect Answer
      C Rs. 280 Correct Answer Incorrect Answer
      D Rs. 270 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the cost price of article โ€˜Aโ€™ = Rs. โ€˜100yโ€™ Then, selling price of the article when it is sold at a profit of 50% = 1.50 ร— 100y = Rs. โ€˜150yโ€™ And, selling price of the article when it is sold at a loss of 40% = 0.60 ร— 100y = Rs. โ€˜60yโ€™ According to the question, 150y โ€“ 60y = 180 Or, y = (180/90) Or, y = 2 So, cost price of article โ€˜Aโ€™ = 100 ร— 2 = Rs. 200 Therefore, cost price of article โ€˜Bโ€™ = 200 + 80 = Rs. 280

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