A train 132m long passes a telegraph post in 6 seconds. The speed of the train is:
Answer:(3) 79.2 km/hr.
A train covered distance = 132m
Taken time = 6 sec.
Speed of train = 132/6
Speed in Km/hr = 22 x 60 x 60/1000
= 79.2 Km/hr Ans.
Hence, the speed of train is 79.2 km/hr.