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JAMB Economics 1992 Question 6

Question 6

Population

Population (million): food production (million tonnes)
50: 220
70: 210
90: 225
100: 275
In the data above, what is the optimum population in million?

  1. A.50
  2. B.70
  3. C.90
  4. D.100
Show the answer and explanation

Answer: A (50)

Explanation

Food per person is 220/50 = 4.4, 210/70 = 3, 225/90 = 2.5 and 275/100 = 2.75 tonnes. It is highest at 50 million, the optimum population.