हिंदी

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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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.

योग
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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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Concept of Compound Interest - Compound Interest as a Repeated Simple Interest Computation with a Growing Principal
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