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 years when compounded annually. It will become \[{{n}^{x}}\] times at the same rate of compound interest in xt years. \[\because \] A sum of money doubles itself at compound interest in 15 yr, \[\therefore \] 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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