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Thursday, 02 April 2026
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Economics Past Questions and Answers

Jamb Economics Questions

Question 11:
The law of diminishing marginal utility explains why
  • A The slope of a normal demand curve is negative
  • B An abnormal demand curve slopes upwards
  • C The slope of a normal demand curve is positive
  • D The consumption of inferior goods increases with income
View Answer & Explanation
Question 12:
If a consumer plans to spend 120k on four oranges but spent 80k, his consumer surplus is
  • A N1.50
  • B N0.40
  • C N1.00
  • D N2.00
View Answer & Explanation
Question 13:
A set of factors that can shift the supply curve are changes in
  • A Weather, price and technology
  • B Technology, weather and population
  • C Technology, price and taste
  • D Population, price and taste
View Answer & Explanation
Question 14:
If the coefficient of price elasticity of supply is greater than one, the supply is said to be
  • A Perfectly elastic
  • B Fairly inelastic
  • C Infinitely inelastic
  • D Fairly elastic
View Answer & Explanation
Question 15:
If commodity X is a by-product of commodity Y , this implies that both commodities are
  • A In competitive supply
  • B In composite supply
  • C Jointly supplied
  • D In excess supply
View Answer & Explanation