A) 5%
B) 7%
C) 10%
D) 12%
Correct Answer: A
Solution :
Difference\[=P{{\left( \frac{r}{100} \right)}^{2}}\](only for 2 yr) \[\therefore \] \[25=1000{{\left( \frac{r}{100} \right)}^{2}}\] \[\Rightarrow \] \[{{r}^{2}}=\frac{25\times 100\times 100}{10000}\] \[\Rightarrow \] \[{{r}^{2}}=25\] \[\therefore \] \[r=5%\]
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