find the population of a city after 2 years which is at present 12 lakh , if the rate of increase is 4%
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the answer is 12,49,920 after two years
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Given, present population (p)=12 lakh
rate of increase (R)=4%
Time=2 yr
Population after 2yr=p(1+R/100)²
=1200000(1+4/100)²
=1200000(100+4/100)²
=1200000×(104/100)²
=1200000×104/100×104/100
=120×104×104
=1297920
Hence,the population of the city after 2yr will be 1297920
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