Task: Question Answering
Input (English): Question: The average salary per head of the entire staff of an college including the lecturer and professors is Rs.90. The average salary of professors is Rs.600 and that of the lecturer is Rs.84. If the number of professors is 2, find the number of professors in the office?

 Option A: 900

 Option B: 1000

 Option C: 1020

 Option D: 1200

 Option E: 1240
Output (English): Option C