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A country has a population of 60 million and an annual growth rate of 1.5 percent. What is the approximate absolute increase in one year?

Answer and explanation

Correct answer: 900000

The correct answer is C: 900,000 people, or 9 lakh. Absolute increase = initial population × growth rate. Convert 1.5 percent to the decimal 0.015, then calculate 60,000,000 × 0.015 = 900,000. Option A, 300,000, corresponds to only 0.5 percent of 60 million. Option B, 600,000, corresponds to 1 percent. Option C correctly applies 1.5 percent to the whole population. Option D, 1,500,000, would correspond to a 2.5 percent rate, not 1.5 percent. The percentage is a proportion, so it must be converted to a decimal before multiplication. Memory cue: to find people from a percentage, multiply the population by percentage ÷ 100.

Related tags

Absolute Population IncreaseAnnual Growth RatePercentage CalculationPopulation ArithmeticPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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