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      Question

      In a certain store, the profit is 280% of the cost. If

      the cost increases by 40% but the sale price remains constant, then the approximate percentage profit on the sale price will be.
      A 63% Correct Answer Incorrect Answer
      B 54% Correct Answer Incorrect Answer
      C 35% Correct Answer Incorrect Answer
      D 28% Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let CP = 100 rs                CP                                                    SP Old                100                                              100 x (100 + 280)/100 = 380 New               100 x 140% = 140                    380 Now, Profit% on SP = (380 – 140)/380x100 = 63%

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