Task: Question Answering
Input (English): Problem: rs . 1600 is divided into two parts such that if one part is invested at 6 % and the other at 5 % the whole annual interest from both the sum is rs . 85 . how much was lent at 5.00001 % ? 
Options: a ) 1100 , b ) 1200 , c ) 1300 , d ) 1400 , e ) 1700
Output (English): a