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If the population of an area changes from 25,000 to 26,000, what will be the growth rate?

Answer and explanation

Correct answer: 4%

Direct answer: C, 4%. First find the absolute increase: 26,000 − 25,000 = 1,000 people. Growth rate is calculated by dividing the increase by the initial population and multiplying by 100. Therefore, growth rate = (1,000 ÷ 25,000) × 100 = 4%. The initial population must be used as the denominator because the question asks how much the population increased compared with its starting size. A would represent an increase of only 500 people, B an increase of 750 people, and D an increase of 1,250 people on this base. None matches the actual increase of 1,000. Do not divide by the final population unless a different measure is specifically requested. Memory cue: percentage growth = increase ÷ old value × 100.

Related tags

Population GrowthGrowth RatePercentage CalculationPopulationGeographyClass 9 Mcq

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