WAEC Economics 2018 Objective — Question 5
Question 5 of 50 from the West African Examinations Council (WAEC) Economics 2018 Objective paper, with the correct answer and a full explanation.
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In a pie chart, the population of a city is represented by a sector of 45°. If the country has a population of 10 million people, then the city's population is
- A. 0.0045 million
- B. 4.5 million
- C. 1.25 millionCorrect
- D. 16 million
Explanation
City population = (sector angle/360°) × total population = (45/360)×10,000,000 = 1,250,000 = 1.25 million.
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