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If the population increases from 15 lakh to 18 lakh, what will be the increase?

Answer and explanation

Correct answer: 3 lakh

The direct answer is C: 3 lakh. The wording asks for the increase, so find the difference between the new population and the old population. The new population is 18 lakh and the old population is 15 lakh. Calculate step by step: 18 lakh − 15 lakh = 3 lakh. Thus, 3 lakh people were added. Option A is wrong because the difference is not 1 lakh. Option B is wrong because subtracting 15 from 18 does not give 2. Option C is correct because it is the exact absolute increase. Option D is wrong because 18 lakh is the total population after the increase, not the number added. If the question asked for percentage growth, the calculation would be (3 ÷ 15) × 100 = 20%, but that is a different measure. Memory cue: absolute increase is new total minus old total.

Related tags

Population Increase15 Lakh18 Lakh SubtractionPopulation GrowthPopulationGeographyClass 9 Mcq

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