the population of a city is 125000.if the annual birth rate and death rate are 5.5%and 3.5%,respectively, calculate the population of the city after 3 years.
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Population of the city after 3 years is 1,32,600
23Naina:
wrong answer
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Answer
Principle=125000rs
Rate=5.5-3.5=2%
Time=3years
Amount= p[1+R÷100]raised to 3
=125000[1+2/100]raised to 3
=125000[1+1/50]raised to 3
=125000[51/50]raised to 3
=125000×132651/125000
=132651rs
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