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      Question

      Selling price of article β€˜A’ when sold at a profit

      of 30% is Rs. 220 more than its selling price when sold at a loss of 50%. If the cost price of article β€˜B’ is Rs. 80 more than that of β€˜A’, then find the cost price of article β€˜B’.
      A Rs. 350 Correct Answer Incorrect Answer
      B Rs. 315 Correct Answer Incorrect Answer
      C Rs. 355 Correct Answer Incorrect Answer
      D Rs. 322 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the cost price of article β€˜A’ = Rs. β€˜100y’ Then, selling price of the article when it is sold at a profit of 30% = 1.30 Γ— 100y = Rs. β€˜130y’ And, selling price of the article when it is sold at a loss of 50% = 0.50 Γ— 100y = Rs. β€˜50y’ According to the question, 130y – 50y = 220 Or, y = (220/80) Or, y = 2.75 So, cost price of article β€˜A’ = 100 Γ— 2.75 = Rs. 275 Therefore, cost price of article β€˜B’ = 275 + 80 = Rs. 355

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