Task: Question Answering
Input (English): Problem: a and b invests rs. 1500 and rs. 4000 respectively in a business. if a doubles his capital after 6 months. in what ratio should a and b divide that year ' s profit ?
Options: a. 9: 5, b. 9: 8, c. 9: 2, d. 9: 9, e. 9: 16
Output (English): e