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A 600 m long train is running at the speed of 30 km/h. The time (in seconds) in which it would pass a man standing near the railway line is:

  1. A
    85
  2. B
    90
  3. C
    72
  4. D
    78

Solution & Step-by-step Explanation

When a train passes a standing man, the distance covered is equal to the length of the train.
Distance = 600m

Speed of the train = 30km/h

Convert speed to m/s:

Speed=30×
18
5
​
=
18
150
​
=
3
25
​
m/s
Time taken to pass the man:

Time=
Speed
Distance
​
=
3
25
​

600
​
=
25
600×3
​
=24×3=72seconds

Practice this question

Try it yourself before checking the explanation above.

A 600 m long train is running at the speed of 30 km/h. The time (in seconds) in which it would pass a man standing near the railway line is:
A
85
B
90
C
72
D
78

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time distance and speed

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