A) Rs. 400
B) Rs. 450
C) Rs. 460
D) Rs. 480
Correct Answer: D
Solution :
[d] Here, \[CI=\text{Rs}\text{.}\,\,510,\]\[R=12\frac{1}{2}%=\frac{25}{2}%,\] \[SI=?\] As period of time is 2 yr So, \[CI=SI\left( 1+\frac{R}{200} \right)\] \[\Rightarrow \] \[510=SI\left[ 1+\frac{25}{2\times 200} \right]\] \[510=SI\left[ 1+\frac{1}{16} \right]\] \[\Rightarrow \] \[510=SI\left[ \frac{16+1}{16} \right]\] \[SI=\frac{510\times 16}{17}=\text{Rs}.\,\,480\] |
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