Task: Question Answering
Input (English): Problem: in an office , totally there are 2800 employees and 25 % of the total employees are males . 30 % of the males in the office are at - least 50 years old . find the number of males aged below 50 years ? 
Options: a ) 390 , b ) 490 , c ) 400 , d ) 460 , e ) none of these
Output (English): b