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How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?

/ Aptitude, Problems On Trains / By
Question: How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
[A].

25

[B].

30

[C].

40

[D].

45

Answer: Option B

Explanation:

Speed of the train relative to man = (63 – 3) km/hr
= 60 km/hr
= 60 x 5 m/sec
18
= 50 m/sec.
3
Time taken to pass the man
= 500 x 3 sec
50
= 30 sec.