A train is 485 meter long is running at a speed of 45 km/hour.

A train is 485 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length

Quiz

Answer/Solution

50 seconds

Steps/Work

Explanation:
Speed = 45 Km/hr = 45*(5/18) m/sec
= 25/2 m/sec
Total distance = 485+140 = 625 meter
Time = Distance/speed
=625∗2/25=50seconds
Option D