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'.

[EX Q]: Problem: how many seconds will a train 110 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph ? 
Options: a ) 28 sec , b ) 23 sec , c ) 24 sec , d ) 25 sec , e ) 26 sec
[EX A]: e

[EX Q]: Problem: convert 0.34 in to a vulgar fraction ? 
Options: a ) 18 / 50 , b ) 16 / 50 , c ) 17 / 50 , d ) 19 / 50 , e ) none
[EX A]: c

[EX Q]: Problem: the l . c . m of two numbers is 2310 and their h . c . f is 30 . if one number is 330 the other is 
Options: a ) 330 , b ) 300 , c ) 210 , d ) 250 , e ) 350
[EX A]:
c