Search SchoolNGR

Monday, 20 April 2026
Register . Login

Economics Past Questions and Answers

Topic: The concepts of cost

Jamb Economics Questions - The concepts of cost

Question 61:
Which of the following is an example of a fixed cost?
  • A Fuel cost
  • B Electricity bill
  • C Rent on building
  • D Transportation cost
View Answer & Explanation
Question 62:
A student has N30.00 with which to buy a ruler costing N18.00 and an exercise book costing N25.00. If he buys the exercise book, his opportunity cost is?
  • A The ruler
  • B The exercise book
  • C N25.00
  • D 18.00
View Answer & Explanation
Question 63:
As a firm increases its output, the average fixed cost?
  • A Tends to rise continuously
  • B Remains constant
  • C Rises and then falls
  • D Tends to decreased continuously
View Answer & Explanation
Question 64:
The short-run equilibrium output for a monopolist is determined by the?
  • A Highest point on the total revenue curve
  • B Minimum point on the average revenue and the average cost curve
  • C Intersection of the average revenue and the average cost curves
  • D Intersection of the marginal cost and marginal revenue curves
View Answer & Explanation
Question 65:
In the short-run a firm marginal cost curve above the point of shut-down is its?
  • A Demand curve
  • B Supply curve
  • C Cost curve
  • D Supply curve
View Answer & Explanation