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For the same country, what is the percentage growth from 8 million to 9.2 million?

Answer and explanation

Correct answer: 15 percent

Percentage growth is measured relative to the initial population. The population increases from 8 million to 9.2 million, so the absolute increase is 1.2 million. Dividing 1.2 million by the initial 8 million and multiplying by 100 gives 15 percent. Thus, choice C is correct.

The calculation is \(\frac{9.2-8}{8}\times100=\frac{1.2}{8}\times100=15\%\). In lakh units, the increase is 12 lakh out of an initial 80 lakh, so \(\frac{12}{80}\times100=15\%\). The value 12 is the absolute increase in lakh, not the percentage. Choice A is too low, choice B confuses the increase with a rate, and choice D overstates the change.

Related tags

Percentage GrowthAbsolute GrowthPopulation ComparisonGrowth CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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