A train 150m long is running at a speed of 60 km/h. How much time will it take to cross a pole?

गति = 60 imes 5/18 = 50/3 मीटर/सेकंड। समय = दूरी / गति = 150 / (50/3) = 150 imes 3 / 50 = 9 सेकंड।