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      Question

      Two vendors sell an electronic gadget for Rs. 1500,

      making a profit of 20%. One vendor calculates his profit based on cost price, while the other considers selling price. Determine the difference in their earnings.
      A Rs.50 Correct Answer Incorrect Answer
      B Rs.48 Correct Answer Incorrect Answer
      C Rs.32 Correct Answer Incorrect Answer
      D Rs.40 Correct Answer Incorrect Answer

      Solution

      ATQ;
      Cost price for the first vendor = 1500 Ă· (100 + 20)% = 1500 Ă· 1.20 = Rs. 1250
      Cost price for the second vendor = 1500 Ă— (100 - 20)% = 1500 Ă— 0.80 = Rs. 1200
      Profit of the first vendor = 1500 - 1250 = Rs. 250
      Profit of the second vendor = 1500 - 1200 = Rs. 300
      Difference in profit = 300 - 250 = Rs. 50

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