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प्रश्न
The population of a town 2 years ago was 62,500. Due to migration to cities, it decreases at the rate of 4% per annum. Find its present population.
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उत्तर
Present population
= 62,500 x `(1 - 4/100)^2`
= `(62,500 xx (24)/(25) xx (24)/(25))`
= 57,600
∴ Present population = 57,600.
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