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If a country's initial population is 3 million and it grows by 10 percent, what will the new population be?

Answer and explanation

Correct answer: 3.3 million

A 10 percent increase means adding one-tenth of the original population. The initial population is 3 million, so the increase is \(3,000,000 \times 0.10 = 300,000\). The new population is found by adding this increase to the starting population, not by reporting the increase alone.

Thus, new population = \(3,000,000 + 300,000 = 3,300,000\), which is 3.3 million or 33 lakh. Therefore option D is correct. Option A is only the original population, while 3.1 million would represent an increase of just 100,000. The calculation confirms that ten percent of 3 million is 0.3 million.

Related tags

Final PopulationPercentage IncreasePopulation ArithmeticGrowth CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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