Task: Question Answering
Input (English): Question: A sum of money invested at compound interest to Rs. 800 in 3 years and to Rs 830 in 4 years. The
rate on interest per annum is.

 Option A: 4.60%

 Option B: 5.55%

 Option C: 7.66%

 Option D: 7.0%

 Option E: 3.75%
Output (English): Option E