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      Question

      The average price of two cars, namely 'M' and 'N' is Rs.

      45,000 whereas the average price of cars 'N' and 'O' is Rs. 50,000. If the average price of car 'M' and 'O' is Rs. 47,500, then find the price of car 'O'.
      A Rs.45,835 Correct Answer Incorrect Answer
      B Rs.52,500 Correct Answer Incorrect Answer
      C Rs.50,935 Correct Answer Incorrect Answer
      D Rs.38,000 Correct Answer Incorrect Answer

      Solution

      ATQ, Let the price of car ‘M’, ‘N’ and ‘O’ be Rs. ‘p’, Rs. ‘q’ and Rs. ‘r’, respectively. p + q = 90,000 q + r = 1,00,000 r + p = 95,000 So, 2(p + q + r) = 2,85,000 Or, p + q + r = 1,42,500 So, price of car ‘r’ = 1,42,500 – 90,000 = Rs. 52,500

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