A) Rs. 20.80
B) Rs. 15.80
C) Rs.10.80
D) Rs.9.80
Correct Answer: C
Solution :
Simple interest \[=\frac{6}{100}\times 2\times 3000=Rs.360\] Compound interest in first year = Simple interest in first year \[=\frac{6}{100}\times 2\times 3000=Rs.360\] Compound interest in 2nd year on \[(3000+180)\] \[Rs.3180=\frac{6}{100}\times 1\times 3180\] \[Rs.190.80\] \[\therefore \] Total Compound interest \[=Rs.\text{ }180+190.80\] \[=Rs.\,370.80\] Difference between SI and CI \[=Rs.\,\,370.80-Rs.360\] \[=Rs.10.80\]
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