Task: Question Answering
Input (English): Question: A sum of money becomes triple itself in 5 years at simple interest. How many years will it become nine times at the same rate?

 Option A: 12 Â½ years

 Option B: 62 Â½ years

 Option C: 18 Â½ years

 Option D: 72 Â½ years

 Option E: 12 Â½ years
Output (English): Option C