Task: Question Answering
Input (English): Problem: car a runs at the speed of 33 km / hr & reaches its destination in 7 hr . car b runs at the speed of 44 km / h & reaches its destination in 5 h . what is the respective ratio of distances covered by car a & car b ? 
Options: a ) 20 : 23 , b ) 25 : 27 , c ) 21 : 20 , d ) 29 : 23 , e ) 24 : 25
Output (English): c