Task: Question Answering
Input (English): Problem: a tradesman by means of his false balance defrauds to the extent of 20 % ? in buying goods as well as by selling the goods . what percent does he gain on his outlay ? a . 20 % b . 45 % 
Options: a ) 77 , b ) 66 , c ) 44 , d ) 99 , e ) 11
Output (English): c