Task: Question Answering
Input (English): Problem: murali travelled from city a to city b at a speed of 40 kmph and from city b to city c at 60 kmph . what is the average speed of murali from a to c given that the ratio of distances between a to b and b to c is 1 : 2 ? a . 48 kmph 
Options: a ) 33 , b ) 360 / 7 , c ) 28 , d ) 27 / 8 , e ) 16
Output (English): b