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Store Profit (in ₹ Lakh) earned in the year 2018 2019 2020 2021 2022 2023 A 12 18 24 21 15 30 B 9 15 18…

Store C invests 9 lakh in 2021 and earns a profit of 21 lakh, so its income is \(9+21=30\) lakh. Double that income is 60 lakh for store D, whose 2021 profit is 9 lakh. The…

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Store Profit (in ₹ Lakh) earned in the year
2018 2019 2020 2021 2022 2023
A 12 18 24 21 15 30
B 9 15 18 12 21 24
C 27 33 24 21 30 36
D 15 12 18 9 21 9
E 18 21 15 15 12 24

Question: Owner of store C invests ₹ 9 lakh in 2021. What should be the investment of D in the same year to get an income which is double than that of store C?

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Answer and explanation

Correct answer A

Store C invests 9 lakh in 2021 and earns a profit of 21 lakh, so its income is 9+21=309+21=30 lakh. Double that income is 60 lakh for store D, whose 2021 profit is 9 lakh. The required investment is 60−9=5160-9=51 lakh rupees.

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