Task: Question Answering
Input (English): Problem: the average monthly income of p and q is rs. 5050. the average monthly income of q and r is rs. 6250 and the average monthly income of p and r is rs. 5200. the monthly income of p + q + r is :
Options: a. 16100, b. 15700, c. 17500, d. 16000, e. 16500
Output (English): e