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In population density calculation, total area is taken in what form?

Answer and explanation

Correct answer: Square kilometres

The direct answer is A: square kilometres. Population density is calculated as population divided by area, usually written as \\(\text{Density}=\frac{\text{Population}}{\text{Area}}\\), with area measured in square kilometres. Step by step: count or obtain the total population; measure the total area; express that area in km²; divide population by km². A is correct because square kilometre is an area unit. B is wrong because kilogram measures mass. C is wrong because hour measures time. D is wrong because rupee measures money. The word “square” matters: kilometre alone measures distance, while square kilometre measures surface area. Memory cue: area has two dimensions, so its unit is squared.

Related tags

AreaSquare KilometreDensity Calculation

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