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 running at the speed of 120 km / hr crosses a pole in 18 seconds . what is the length of the train ? 
Options: a ) 560 , b ) 570 , c ) 580 , d ) 590 , e ) 600
[A]: e


[Q]: Problem: edward earns $ 7.00 per hour for the first 40 hours he works per week , and twice this rate for overtime . if michael earned $ 210 last week , how many hours did he work ? 
Options: a ) 43 , b ) 44 , c ) 45 , d ) 46 , e ) 47
[A]: c


[Q]: Problem: a ship 450 m long is running at a speed of 24 km / hr . in what time will it pass a bridge 900 m long ? 
Options: a ) 202.5 sec , b ) 205.5 sec , c ) 200 sec , d ) 1350 sec , e ) 900 sec
[A]:
a