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If an area has 3,000 births, 1,800 deaths, 700 in-migrants and 1,100 out-migrants, what will be its total growth?

Answer and explanation

Correct answer: 800

Correct answer: A, 800. Solve in two steps. First find natural increase: births − deaths = 3,000 − 1,800 = 1,200. Next find net migration: in-migrants − out-migrants = 700 − 1,100 = −400, meaning 400 more people left than entered. Total growth = natural increase + net migration = 1,200 + (−400) = 800. Option B is only the natural increase and ignores migration. Option C incorrectly combines the figures and does not subtract out-migrants. Option D adds all births, deaths and migration figures without considering that deaths and out-migration reduce population. Memory cue: total growth = (births − deaths) + (in-migration − out-migration).

Related tags

Population GrowthDemographic CalculationNatural IncreaseNet MigrationPopulationGeographyClass 9 Mcq

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