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If there are 1,200 births, 900 deaths, 250 in-migrants and 550 out-migrants, what will the total population change be?

Answer and explanation

Correct answer: Zero

Direct answer: Option A—total change is zero. Calculate natural increase first: births − deaths = 1,200 − 900 = +300. Then calculate net migration: in-migration − out-migration = 250 − 550 = −300. Add the two components: +300 + (−300) = 0. The natural growth is exactly cancelled by the net loss through migration. Option A is correct. Option B reports only the natural increase and forgets the migration loss. Option C adds the two positive-looking differences incorrectly instead of treating excess out-migration as negative. Option D reports only the size of the migration loss and ignores the natural increase. A negative net migration does not always produce a total population decrease; it can be balanced by positive natural increase. Memory cue: calculate births–deaths and in–out separately, then add signed results.

Related tags

Population BalanceNatural IncreaseNet MigrationCalculationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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