A) Rs. 99
B) Rs. 101
C) Rs. 100
D) Rs. 98
Correct Answer: C
Solution :
Since, \[CI=Rs.102,\text{ }\] \[n=2yr,\]\[r=4%\] Let principal \[=Rs.\,P\] \[\therefore \] \[CI=P\left[ {{\left( 1+\frac{r}{100} \right)}^{n}}-1 \right]\] \[\Rightarrow \] \[102=P\left[ {{\left( 1+\frac{4}{100} \right)}^{2}}-1 \right]\] \[\Rightarrow \] \[102=P\left[ {{\left( \frac{26}{21} \right)}^{2}}-1 \right]\] \[\Rightarrow \] \[=\frac{102\times 625}{51}=1250\] \[\therefore \] Simple interest \[=\frac{1250\times 2\times 4}{100}=Rs.\,100\]You need to login to perform this action.
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