Task: Question Answering
Input (English): Problem: the speed of a boat in still water in 20 km / hr and the rate of current is 4 km / hr . the distance travelled downstream in 24 minutes is : 
Options: a ) 9.2 , b ) 10.2 , c ) 9.8 , d ) 9.6 , e ) 10.0
Output (English): d