Question : The compound interest (compounding annually) on a certain sum for 2 years at the rate of 60% per annum is INR 6240. What will be the simple interest on the same sum for 3 years at the same rate of interest?
Option 1: INR 6800
Option 2: INR 7200
Option 3: INR 7100
Option 4: INR 6500
Correct Answer: INR 7200
Solution :
Rate,
Term,
Compound interest = INR 6240
Let
When compounded annually,
Compound interest =
Now,
Simple interest =
Hence, the correct answer is INR 7200.