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SSC GD 2025 PYQ — Question 46

SSC GD Const 2025 (English) - 12 Feb 2025 - Shift 3 • Quantitative Aptitude • Q46

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What will be the difference in population between 3 years ago and 2 years ago of a town, whose current population is 100000 and which is increasing at a rate of 25% every year?

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Correct answer: B

Explanation

The correct answer is option 2 i.e. 12800.

Current population = 100000

3 years ago = 1000001.253100000\over1.25^3 =  51200

2 years ago = 1000001.252100000\over1.25^2 = 64000

Difference = 64000 – 51200 = 12800