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WAEC Economics 2009 Question 11

Question 11

Theory of Demand

The type of demand that exists between torchlight and battery is

  1. A.competitive demand
  2. B.complementary demand
  3. C.composite demand
  4. D.independent demand.
Show the answer and explanation

Answer: B (complementary demand)

Explanation

A torchlight and its battery are used together, so their demand is complementary (joint).