Task: Question Answering
Input (English): Problem: what is the compound interest on rs . 4500 at 5 % p . a . compounded half - yearly for 3 1 / 2 years . 
Options: a ) rs . 859.09 , b ) rs . 349.09 , c ) rs . 449.09 , d ) rs . 749.09 , e ) rs . 849.09
Output (English): e