Task: Question Answering
Input (English): Question: An amount at compound interest sums to Rs.17640/- in 2 years and to Rs.22932/- in 3 years at the same rate of interest. Find the rate percentage?

 Option A: 5%

 Option B: 7%

 Option C: 9%

 Option D: 11%

 Option E: 30%
Output (English): Option E