A 150m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850m is _______.
A. 56s
B. 68s
C. 80s
D. 92s
Answer:C
A 150m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850m is _______.
A. 56s B. 68s C. 80s D. 92s