The population of a town is 8,000. It increases by 20% during the first year, decrease by 10% during the second year and increase by 40% during the third year. What will be the population after three years?
Answer & explanation
Correct answer: option 2
20% = \(\frac{1}{5}\) , 10% = \(\frac{1}{10}\) , 40% = \(\frac{2}{5}\)
(Ist Year) ⇒ 5 : 6
(IInd Year) ⇒ 10 : 9
(IIIrd Year) ⇒ 5 : 7
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250 : 378 (After 3 years)
↓×32 ↓×32
8000 12096 Ans.
(given)