28.A train is moving at a speed of 132 km/hr. If the length of the train is
110 metres, how long will it take to cross a railway platform 165 metres long?
A. 7 sec
B. 8 sec
C. 8.5 sec
D. 7.5 sec
Option : D
Speed of train =
|
|
132 x
|
8
|
|
m/sec =
|
110
|
m/sec.
|
18
|
3
|
Distance covered in passing the platform = (110 + 165) m = 275 m.
Time taken =
|
|
275 x
|
3
|
|
sec =
|
15
|
sec = 7
|
1
|
sec.
|
110
|
2
|
2
|