Question 34
MediumOriginal questionData for three countries:
| Country | Population (crore) | Area (lakh sq km) | Population growth (% a year) |
|---|---|---|---|
| X | 120 | 30 | 1.2 |
| Y | 140 | 96 | 0.4 |
| Z | 22 | 8 | 2.0 |
Using the data for the three countries, what is the population density of country X?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
120 crore = 1,20,00,00,000 people; 30 lakh sq km = 30,00,000 sq km.
Density = 1,20,00,00,000 ÷ 30,00,000 = 400 persons per sq km.
Worth noting
4 forgets that a crore is a hundred lakh; 146 is country Y.
- Concept
- Population density
- Typical timeTypical
- 70 s
- Your timeYours
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