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. 3500

 Option B: Rs. 3750

 Option C: Rs. 3840

 Option D: Rs. 3900

 Option E: None
Output (English): Option D