Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 12 = 200 m
A train running at the speed of 60 km/hr crosses a pole in 12 sec. What is the length of the train?
a) 120 m
b) 200 m
c) 324 m
d) Cannot be determined
e) None of these