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The population of a village in 2020 is 15,000. If it is increased in 2021 by 15%, decreased in 2022 by 10%, and increased in 2023 by X% and the popula
Question



The population of a village in 2020 is 15,000. If it is increased in 2021 by 15%, decreased in 2022 by 10%, and increased in 2023 by X% and the population in 2023 is 18630, then find X.

A.

10

B.

15

C.

30

D.

25

E.

20

Correct option is E

Required value =15000×115100×90100×100+X100=1863015000 \times \frac{115}{100} \times \frac{90}{100} \times \frac{100 + X}{100} = 18630
100+X=120
X=20

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