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A certain sum doubles in 7 years at simp...

A certain sum doubles in 7 years at simple interest the same sum under the same interest rate will becomes 4 times in how many years?

A

21.5 year

B

21 year

C

22 year

D

22.5 year

Text Solution

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The correct Answer is:
B
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  11. In what time a sum will double itself at 12% annual rate of simple int...

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  15. How long will it take for a sum of money to grow from Rs 1600 to Rs 12...

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  18. A sum becomes double in tyears. In how many years it will become 4 fol...

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