Task: Question Answering
Input (English): Question: There are 35 students in a hostel. If the no. of students increases by 7, the expenses of the mess increase by Rs.42/day while the average expenditure per head diminishes by Rs1. Find the original expenditure of the mess?

 Option A: Rs. 30

 Option B: Rs. 34

 Option C: Rs. 42

 Option D: Rs. 48

 Option E: Rs. 50
Output (English): Option C