A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:
Select:  A) 50 m  B) 150 m  C) 200 m  D) Data inadequate  E) none of these
Let the length of the train=xm   x/15=x+100/25   by solving this we get x=150m   ANSWER:150 m
<result>B</result>
A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is: