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    • Question

      At price of Rs.5 quantity demanded is 10 units and at

      price of Rs.6, demand is 8 units. Calculate the market demand when price is Rs.4
      A 12 Correct Answer Incorrect Answer
      B 13 Correct Answer Incorrect Answer
      C 14 Correct Answer Incorrect Answer
      D 15 Correct Answer Incorrect Answer

      Solution

      Slope of demand curve = (P2-P1) / (Q2-Q1) = (6-5) / (8-10) = - 1/2 So, P = a-1/2 Q When P=5, Q = 10 units 5 = a- 1/2 (10) a = 10 So, inverse Demand curve is P = 10- 1/2Q When P=4 Q=12

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