Task: Question Answering
Input (English): Problem: amit and ananthu can do a work in 10 days and 20 days respectively. amit started the work and left after 2 days. ananthu took over and completed the work. in how many days was the total work completed ?
Options: a. 18 days, b. 20 days, c. 23 days, d. 25 days, e. 27 days
Output (English): a