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If births are 4,200, deaths are 2,600, and net migration is negative 900, what will be the total population growth?

Answer and explanation

Correct answer: 700

The direct answer is B, 700. Population growth has two parts: natural increase and net migration. First calculate natural increase by subtracting deaths from births: 4,200 − 2,600 = 1,600. Net migration is negative 900, which means 900 more people leave than enter, so it reduces the population. Therefore, total growth = natural increase + net migration = 1,600 + (−900) = 700. A is wrong because it gives only the natural increase and ignores migration. B is correct because it includes the negative migration. C is wrong because it adds births and does not subtract deaths or migration correctly. D is wrong because it does not follow the population-growth formula. Memory cue: births minus deaths, then add migration with its sign.

Related tags

Population GrowthNet MigrationNatural IncreaseCalculationPopulationGeographyClass 9 Mcq

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