The time taken by a 180 m long train running at a speed of 54 km/h to cross a man standing on the platform is:
Answer & explanation
Correct answer: option 2
Speed of train = 54 km/h
54 km/h= 54 × \(\frac{5}{18}\)m/sec = 15 m/sec
Distance = Speed × Time
180 =15 × Time
Time = 12 sec