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JAMB Economics 1979 Question 42

Question 42

Theory of Production

Study the table below:
Number of workers — Total product
1 — 10
2 — 28
3 — 48
4 — 72
5 — 80
What is the marginal product of the second worker?

  1. A.10
  2. B.20
  3. C.15
  4. D.18
  5. E.43.
Show the answer and explanation

Answer: D (18)

Explanation

Marginal product of the 2nd worker = 28 − 10 = 18.