The population of a town increased to 90,000 in 2020 at the rate of 5% per year. (i) Find the population in 2018 (ii) What would be the population in 2022
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1
Step-by-step explanation:
Correct option is
C
120,000
Let the population in 2006 be x.
Pop. in 2009=x×(1+
100
5
)
3
⇒1,38,915=x×(
20
21
)
3
⇒x=
9261
138915×8000
=120000
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