Question : A 100 metres long train is running at a speed of 120 km/h. The time taken to pass a person standing near the line is:
Option 1: 1 second
Option 2: 3 seconds
Option 3: 5 seconds
Option 4: 7 seconds
Correct Answer: 3 seconds
Solution :
Given: The distance of the train is 100 m and its speed is 120 km/h.
We know that
To convert km/h into m/s, multiply with
So, the time required to pass a person standing near the line is
Hence, the correct answer is 3 seconds.
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