Task: Question Answering
Input (English): Problem: the s. i. on a certain sum of money for 2 years at 4 % per annum is half the c. i. on rs. 4000 for 2 years at 10 % per annum. the sum placed on s. i. is ?
Options: a. 5250, b. 1267, c. 5750, d. 2267, e. 5262
Output (English): a