Task: Question Answering
Input (English): Problem: a profit of rs . 900 is divided between x and y in the ratio of 1 / 2 : 1 / 3 . what is the difference between their profit shares ? 
Options: a ) s . 280 , b ) s . 180 , c ) s . 380 , d ) s . 50 , e ) s . 90
Output (English): b