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in Compound Interest by (53.1k points)
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It is observed that the population of a city increases at the rate of 8% per annum. If the present population of the city is 125000, then the population of the city after 2 years will be 

(a) 145000 

(b) 145800 

(c) 154000 

(d) 154800

1 Answer

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Best answer

(b) 145800

Population of the city after 2 years

= 125000\(\big(1+\frac{8}{100}\big)^2\)= 125000 x \(\frac{27}{25}\) x \(\frac{27}{25}\)

= 145800.

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