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Wednesday, 01 April 2026
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Economics Past Questions and Answers

Jamb Economics Questions

Question 11:
A good is said to be inferior if its demand?
  • A Rises as it price rises
  • B Falls as it price rises
  • C Rises as it price falls
  • D Is perfectly inelastic
View Answer & Explanation
Question 12:
Given a market demand curve Q=120-2p and a supply curve Q = 4p, the equilibrium price and quantity respectively are?
  • A 20 and 80
  • B 30 and 120
  • C 40 and 60
  • D 60 and 240
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Question 13:
If a demand curve that intersects a perfectly inelastic supply curve shifts rightward, then?
  • A The equilibrium price and quantity will increase
  • B Only the price will increase
  • C Only the quantity will increase
  • D The price will remain constant
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Question 14:
The elasticity of demand for a firm's product is 2.
If the firm reduces its price by 20 percent, its sales revenue will increase by?
  • A 10 per cent
  • B 20 per cent
  • C 30 per cent
  • D 40 per cent
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Question 15:
If the percentage change in the income of the consumers of an industrial product is less than the resulting percentage change in the quantity demanded of the product, then the income elasticity of demand for the product is?
  • A Less than one
  • B Equal to one
  • C Greater than one
  • D Equal to zero
View Answer & Explanation