Task: Question Answering
Input (English): Problem: rs . 1500 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 . 84 . how much was lent at 5 % ? 
Options: a ) 299 , b ) 466 , c ) 578 , d ) 600 , e ) 677
Output (English): d