The population of a town is 10,000. It increases by 10% during the first year, decrease by 20% during the second year and increase by 30% during the third year. What will be the population after three years?
Answer & explanation
Correct answer: option 4
10% = \(\frac{1}{10}\) , 20% = \(\frac{1}{5}\) , 30% = \(\frac{3}{10}\)
(Ist Year) ⇒ 10 : 11
(IInd Year) ⇒ 5 : 4
(IIIrd Year) ⇒ 10 : 13
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500 : 44×13 (After 3 years)
↓×20 ↓×20
10000 11440 Ans
(given)