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Wednesday, 06 May 2026
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Economics Past Questions and Answers

Waec Economics Questions

Question 1866:
When market supply increases , the equilibrium price _______________
  • A Rises and quantity falls.
  • B Falls and quantity rises.
  • C And quantity increase
  • D And quantity fall.
View Answer & Explanation
Question 1867:
The supply of mangoes is represented as P=0.3Q, where P is the price ($) and Q is the quantity. What is P when Q is 50?
  • A $1.50
  • B $15.00
  • C $150.03
  • D $166.67
View Answer & Explanation
Question 1868:
The output of an extra unit of an input is referred to as ______________
  • A Output of the input.
  • B Marginal product of the input
  • C Average product of the input
  • D Utility of the input employed
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Question 1869:
The law of diminishing returns is applicable to the ________________
  • A Fixed inputs of production.
  • B Variable factors of production.
  • C Plants and machinery of the firm.
  • D Equipment and other capital.
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Question 1870:
A firm incurred the following costs in production. Use the information in the table to answer the question below.
Output(bags of rice 0 10 20 30 40 50 60
Total Cost ($) 100 200 300 380 440 520 600




The fixed cost of production is ____________
  • A $100.
  • B $200.
  • C $300.
  • D $600
View Answer & Explanation