61. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

[A]. 120 metres
[B]. 180 metres
[C]. 324 metres
[D]. 150 metres
✅ The correct answer is option D.
Speed =

60 x
5
m/sec
=

50
m/sec.

18
3

Length of the train = (Speed x Time).

Length of the train =

50
x 9
m = 150 m.

3

Video Explanation: https://youtu.be/q6Xy5JXNp-k

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