Task: Question Answering
Input (English): Problem: ramu bought an old car for rs . 42000 . he spent rs . 12000 on repairs and sold it for rs . 64900 . what is his profit percent ? 
Options: a ) 12 % , b ) 16 % , c ) 20.18 % , d ) 82 % , e ) 23 %
Output (English): c