Task: Question Answering
Input (English): Problem: the average salary of workers in an industry is rs . 300 the average salary of technicians being rs . 400 and that of non - technicians being rs . 125 . what is the total number of workers ? 
Options: a ) 230 , b ) 234 , c ) 250 , d ) 547 , e ) 484
Output (English): b