Home
Class 14
MATHS
A train passes by a lamp post on a platf...

A train passes by a lamp post on a platform in 7 sec. and passes by the platform completely in 28 sec. If the length of the platform is 390 m, then length of the train (in metres) is

A

120

B

130

C

140

D

150

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A train passes the platform in 18 seconds and a man standing on the platform in 8 seconds .if the length ofthetrain is 100 metres , the length of the platform is :

A train passes a platform 110 m long in 40 s and a boy standing on the platform in 30 s.The length of the train is

A 500 m long goods train crosses a platform in 36 seconds. If the length of the platform is 220 m. then what is the speed of the goods train in know ?

A train passes a 60 metres long platform in 20 seconds and a man standing on the platform in 16 seconds. The speed of the train is: