Task: Question Answering
Input (English): Question: A man's basic pay for a 40 hour week is Rs.20. Overtime is paid for at 25% above the basic rate. In a certain week he worked overtime and his total wage was Rs.25. He therefore worked for a total of :

 Option A: 45 hours

 Option B: 47 hours

 Option C: 48 hours

 Option D: 50 hours

 Option E: None
Output (English): Option C