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Friday, 03 April 2026
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Economics Past Questions and Answers

Jamb Economics Questions

Question 11:
In a small scale business, the fixed cost is N5,000, variable cost is N15,000 and the output is 500 units. What will be the unit cost of the goods?
  • A N400.00
  • B N80.00
  • C N40.00
  • D N20.00
View Answer & Explanation
Question 12:
External dis-economies of scale result from excessive growth of?
  • A The whole industry
  • B Some sectors of the industry
  • C External factors
  • D Internal factors
View Answer & Explanation
Question 13:
If a total cost curve is plotted, marginal cost can be illustrated by the?
  • A Slope of the tangent to the curve at any given output
  • B U-shaped curve cutting the total cost curve at its lowest point
  • C Straight line from the origin to the mid-point of the curve
  • D Straight line cutting the curve at its highest point
View Answer & Explanation
Question 14:
The short-run equilibrium in a perfectly competitive market requires that?
  • A Marginal cost be equal to total revenue
  • B Marginal cost and marginal revenue be equal
  • C Costs are mutually determined by buyers and sellers
  • D The marginal cost curve cuts the total cost curve
View Answer & Explanation
Question 15:
At the point where marginal revenue of a monopolist is equal zero, its total revenue will be?
  • A Falling
  • B Rising
  • C Equal to zero
  • D Maximum
View Answer & Explanation