Postal or Sorting Assistants Model Paper 3 With Solutions

Question : 7 of 100

Marks: +1, -0

A train is moving at a speed of 126 km/h. If the length of the train is 140 metres, how long will it take to cross a railway platform, 220 metres long ?

5s
7.5 s
10.28 s
15 s

Validate

Solution:

126 km/h = {126×5}/18

m/s=35m/s
Distance

= (140 + 220) = 360

m
Time required to cross the railway platform
=

360/35=10.28

m/s

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