instruction:
In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: mahesh can do a piece of work in 35 days . he works at it for 20 days and then rajesh finished it in 30 days . how long will y take to complete the work ? 
Options: a ) 45 , b ) 25 , c ) 37 , d ) 41 , e ) 70
answer:
e


question:
Problem: in a 200 meter race a beats b by 35 meters in 7 seconds . a ' s time over the cause is ? 
Options: a ) 47 sec , b ) 40 sec , c ) 45 sec , d ) 33 sec , e ) 35 sec
answer:
d


question:
Problem: the length of the bridge , which a train 110 metres long and travelling at 45 km / hr can cross in 30 seconds , is : 
Options: a ) 230 , b ) 240 , c ) 245 , d ) 250 , e ) 265
answer:

e