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

✅ The correct answer is option B.
Speed of the train relative to man
= (63 – 3) km/hr

= 60 km/hr

60 x
5

m/sec

m/sec.

Time taken to pass the man

500 x
3

sec

= 30 sec.

84. 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?