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Tuesday, 18 August 2026
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Economics Past Questions and Answers

Topic: Theory of Costs and Revenue

Jamb Economics Questions - Theory of Costs and Revenue

Question 51:
Which of the following is TRUE at the quantity of output where Average Cost (AC) per unit has reached its minimum level?
  • A AVC=FC
  • B MC=AVC
  • C MC=AC
  • D AC=AFC
View Answer & Explanation
Question 52:
The additional revenue obtained by using one more unit of a factor is called?
  • A Average product
  • B Marginal product
  • C Diminishing returns
  • D Marginal revenue product
View Answer & Explanation
Question 53:
Given perfect competition in the capital market, the opportunity cost of capital is adequately reflected by the?
  • A Interest rate
  • B Returns on capital
  • C Alternative capital foregone
  • D Shadow price of foreign exchange
View Answer & Explanation
Question 54:
The three groups of government revenue are?
  • A Investment income, direct tax and indirect tax
  • B Imports duties, excise tax and export duties
  • C Company tax, personal income tax and import duties
  • D Company tax, import duties and excise tax
View Answer & Explanation
Question 55:
The table gives the various levels of output (Q) and its corresponding total cost of production. (ITC) and total revenue (TR) for a firm. Which output level Q results in maximum profit?
  • A 400
  • B 500
  • C 600
  • D 700
View Answer & Explanation