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 seconds
B. 30 seconds
C. 40 seconds
D. 45 seconds
Answer: Option B
Solution (By Examveda Team)
Vrel. = 63 - 3 = 60 km/hrT = $$\frac{500 × 18}{60 × 5}$$ sec = 30 sec
∴ Required time = 30 seconds

Join The Discussion