Task: Question Answering
Input (English): Problem: if a man lost 7 % by selling oranges at the rate of 21 a rupee at how many a rupee must he sell them to gain 42 % ? 
Options: a ) 12.75 , b ) 11.75 , c ) 8.75 , d ) 15.75 , e ) 13.75
Output (English): e