A train travelling 80kmph to pass through a tunnel of 70km at 5:12am. the train leaves the tunnel at 5:18am. find the length of train?
Choose the correct choice from the following answers:
A) 1	B) 2	C) 3	D) 4	E) 5
Distance=speed*time   let x is length of train   5:18-5:12=6minutes=6/60 hr=1/10hr   now D=(x+7)=80kmph*1/10   x=1km   1NSWER:1
<result>A</result>
A train travelling 80kmph to pass through a tunnel of 70km at 5:12am. the train leaves the tunnel at 5:18am. find the length of train?