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:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 12 seconds
Speed of train in m/sec= (5/18) × 54 = 15 m/sec
Time taken to cross the man = 180/15 = 12 seconds