A) 30
B) 45
C) 50
D) 60
Correct Answer: B
Solution :
\[2P=P{{\left\{ 1+\frac{r}{100} \right\}}^{1.5}}\] \[\therefore \] \[{{\left\{ 1+\frac{r}{100} \right\}}^{1.5}}=2\] \[{{2}^{3}}=8\,\text{times}\] \[\therefore \] Required time \[=15\times 3\] \[=45\,yr\]You need to login to perform this action.
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