Task: Question Answering
Input (English): Problem: a alone can do a piece of work in 6 days and b alone in 8 days. a and b undertook to do it for rs. 3200. with the help of c, they completed the work in 3 days. how much is to be paid to c
Options: a. rs. 300, b. rs. 400, c. rs. 500, d. rs. 600, e. none of these
Output (English): b