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'.

[Q]: Problem: the length of the bridge , which a train 140 metres long and travelling at 45 km / hr can cross in 30 seconds , is : 
Options: a ) 200 m , b ) 235 m , c ) 245 m , d ) 250 m , e ) 270 m
[A]: b


[Q]: Problem: if an object travels at eight feet per second , how many feet does it travel in one hour ? 
Options: a ) 34880 , b ) 3778 , c ) 12788 , d ) 18000 , e ) 28800
[A]: e


[Q]: Problem: if the speed of a man is 45 km per hour , then what is the distance traveled by him in 30 seconds ? 
Options: a ) 275 m , b ) 360 m , c ) 375 m , d ) 420 m , e ) 480 m
[A]:
c