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If a sum of money doubles itself at com...

If a sum of money doubles itself at compound interest in n years, then it will be 4 times in

A

2 n years

B

`n/2` yrs

C

3n yrs

D

`n/3` yrs

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UNITED BOOK HOUSE-PATRASAYER BAMIRA GURUDAS INSTITUTION, BANKURA-EXERCISE
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