A train 220 m long is running at 30 km/hr. How long will it take to cross a bridge 80 meters long ?
A10 seconds
B14/3 seconds
C36 seconds
D16.8 seconds
Answer:
C. 36 seconds
Read Explanation:
Distance to cover = 220+80 = 300m
Speed = 30 km/h = 30×5/18 = 25/3 m/s
Time = distance/speed = 300/(25/3) = 300×3/25 = 36 seconds
Train will take 36 seconds to cross the bridge.