Task: Question Answering
Input (English): Problem: mona and sona go around a circular track of length 400 m on a bike at speeds of 18 kmph and 36 kmph . after how much time will they meet for the first time at the starting point ? 
Options: a ) 120 , b ) 80 , c ) 60 , d ) 136 , e ) 150
Output (English): b