Task: Question Answering
Input (English): Question: The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is:

 Option A: Rs. 3700

 Option B: Rs. 3800

 Option C: Rs. 3900

 Option D: Rs. 4000

 Option E: Rs. 4900
Output (English): Option C