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      Question

      Cost price of an article M is Rs. 600 less than that of

      N. M and N are marked 50% and 20% above their cost price respectively. M and N are sold after allowing discounts of Rs. 300 and Rs. 200 respectively. Profit earned by M is Rs. 200 more than that earned by N. Find the marked price of M.
      A Rs. 2,100 Correct Answer Incorrect Answer
      B Rs. 2,000 Correct Answer Incorrect Answer
      C Rs. 2,300 Correct Answer Incorrect Answer
      D Rs. 2,200 Correct Answer Incorrect Answer
      E Rs. 2,400 Correct Answer Incorrect Answer

      Solution

      Let the cost price of N be Rs. β€˜a’ Cost price of M = Rs. (a βˆ’ 600) Marked price of M
      = 1.5 Γ— (a βˆ’ 600)
      = Rs. (1.5a βˆ’ 900) Marked price of N
      = 1.2 Γ— a
      = Rs. 1.2a Selling price of M
      = 1.5a βˆ’ 900 βˆ’ 300
      = Rs. (1.5a βˆ’ 1200) Selling price of N
      = 1.2a βˆ’ 200 Profit earned by M
      = 1.5a βˆ’ 1200 βˆ’ a + 600
      = Rs. (0.5a βˆ’ 600) Profit earned by N
      = 1.2a βˆ’ 200 βˆ’ a
      = Rs. (0.2a βˆ’ 200) ATQ, 0.5a βˆ’ 600 = 0.2a βˆ’ 200 + 200 Or, 0.5a βˆ’ 600 = 0.2a Or, 0.3a = 600 Or, a = 2000 Marked price of M
      = 1.5 Γ— 2000 βˆ’ 900
      = 3000 βˆ’ 900
      = Rs. 2,100

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