Task: Question Answering
Input (English): Problem: a person travels equal distances with speeds of 2 km / hr , 4 km / hr , 6 km / hr . and takes a total time of 11 minutes . find the total distance ? 
Options: a ) 1 km , b ) 500 mts , c ) 600 mts , d ) 2 km , e ) 250 mts
Output (English): c