RRB Group-D Model Paper 13 with answers for online practice

To pass a telegraph post, the whole length of the train has to pass.
Therefore, total distance to travel = 60m and speed = 36 km/hr
∵ 1 km/hr = (5/18) m/s
∴ speed = 36 × 5/18 = 10 m/s
Required time taken = 60/10 = 6 sec