Speed = 54 * 5/18 = 15 m/s. Total distance = 150 + 210 = 360m. Time = 360 / 15 = 24 seconds.
गति = 54 * 5/18 = 15 मी/से। कुल दूरी = 150 + 210 = 360 मीटर। समय = 360 / 15 = 24 सेकंड।