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: a train 150 m long crosses a platform 130 m long in 20 sec ; find the speed of the train ?
Options: a ) 50 , b ) 60 , c ) 55 , d ) 45 , e ) 53
[A]: a

[Q]: Problem: a train 120 m long running at 60 kmph crosses a platform in 20 sec . what is the length of the platform ?
Options: a ) 213 , b ) 298 , c ) 350 , d ) 726 , e ) 267
[A]: a

[Q]: Problem: a train running at a speed of 36 kmph crosses an electric pole in 12 seconds . in how much time will it cross a 350 m long platform ?
Options: a ) 44 sec , b ) 49 sec , c ) 42 sec , d ) 47 sec , e ) none of these
[A]:
d