Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 18 = 300 m
A train running at the speed of 60 km/hr crosses a pole in 18 sec. What is the length of the train?

(a) 356
(b) 278
(c) 300
(d) 279
(e) 150