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: a train 250 m long running at 72 kmph crosses a platform in 15 sec . what is the length of the platform ?
Options: a ) 50 m , b ) 200 m , c ) 250 m , d ) 270 m , e ) 300 m
[EX A]: a

[EX Q]: Problem: train a leaves the station traveling at 30 miles per hour . two hours later train leaves the same station traveling in the same direction at 36 miles per hour . how many miles from the station was train a overtaken by train b ?
Options: a ) 320 , b ) 360 , c ) 400 , d ) 440 , e ) 480
[EX A]: b

[EX Q]: Problem: if 6 men can reap 60 acres of land in 10 days , how many acres of land can 12 men reap in 20 days ?
Options: a ) 120 , b ) 360 , c ) 240 , d ) 182 , e ) 1000
[EX A]:
c