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A country has a population of 40 million and an annual growth rate of 1.5 percent. Approximately how much will it grow in one year by simple calculation?

Answer and explanation

Correct answer: 0.6 million

A growth rate of 1.5 percent means 1.5 out of every 100 people are added during one year, under the simple calculation requested. The starting population is 40 million, or 40,000,000. Apply the rate as a fraction: \(40000000\times1.5/100\). This gives \(600000\), which is 0.6 million or 6 lakh.

Therefore, option C is correct. The calculation estimates the increase, not the new total population. The approximate population after one year would be 40.6 million if the rate remained applicable. In real demographic accounting, the exact figure may be affected by timing, changing rates, and compounding, but those complications are excluded by the question’s simple one-year instruction.

Related tags

Annual GrowthGrowth Rate CalculationPopulation BasePopulation ArithmeticPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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