Task: Question Answering
Input (English): Problem: a, b and c are partners. a receives 2 / 3 of profits, b and c dividing the remainder equally. a ' s income is increased by rs. 400 when the rate to profit rises from 5 to 7 percent. find the capital of c ?
Options: a. 3377, b. 2899, c. 5000, d. 2778, e. 1991
Output (English): c