A) Rs. 484
B) Rs. 560
C) Rs. 512
D) None of these
Correct Answer: C
Solution :
Given that \[P=Rs.\,400\] \[A=Rs.\,480\] \[\therefore \] \[SI=Rs.\,80\] \[t=4\,yr\] Hence, \[80=\frac{400\times r\times 4}{100}\] \[\Rightarrow \] \[r=\frac{80\times 100}{1600}=5%\] New rate of interest \[=7%\] Hence, new amount \[=400\left( 1+\frac{4\times 7}{100} \right)\] \[=400\left( \frac{128}{100} \right)=Rs.\,512\]You need to login to perform this action.
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