Task: Question Answering
Input (English): Question: The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?

 Option A: Rs.13

 Option B: Rs.12

 Option C: Rs.15

 Option D: Rs.22

 Option E: Rs.12
Output (English): Option C