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DRDO Multi tasking staff Model paper 3
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© examsnet.com
Question : 92
Total: 100
A train is moving at a speed of 132 km/hr. The length of the train is 110 meters. How much time will it take to cross a 165 meters long railway platform?
15 sec
10 sec
5 sec
7.5 sec
Validate
Solution:
Time
=
Distance
Speed
The speed of train = 132 km/hr = 132 × (5/18) m/s
⇒ Time taken to cross the platform =
Length
of
train
+
Length
of
plateform
⇒ Time taken to cross the platform
=
110
+
165
132
×
5
18
=
15
2
=
7.5
sec
∴ Time is 7.5 sec
© examsnet.com
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