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If children form 29 percent and the working-age population 61 percent, what is the elderly share?

Answer and explanation

Correct answer: 10 percent

When the child and working-age shares are known, the elderly share is the part left after those two groups are removed from the total population. Since population percentages for complete, non-overlapping groups add to 100 percent, subtraction gives the missing category directly.

Children account for 29 percent and the working-age group accounts for 61 percent. Their combined share is \(29+61=90\) percent. The remaining share is \(100-90=10\) percent, so the elderly group forms 10 percent of the population. Therefore, option B is correct. The calculation also checks because \(29+61+10=100\) percent.

Related tags

Elderly ShareAge PercentageWorking Age CalculationPopulation CompositionAge StructureGeographyClass 12 McqRdgdfgdfg

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