A) 30
B) 45
C) 50
D) 60
Correct Answer: B
Solution :
We know that a certain sum of money becomes n times in t yr when compounded annually. It will becomes \[{{n}^{x}}\]times at the same rate of compound interest in xt yr. \[\therefore \] A sum of money doubles itself at compound interest in 5yr. \[\therefore \] It will becomes 8 times in \[15\times 3\]yr i.e. in 45 yr.You need to login to perform this action.
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