If a 240-metre-long metro rail passes a pole in 24 seconds, how long will it take to pass a 650-metre-long platform?
If a 240-metre-long metro rail passes a pole in 24 seconds, how long will it take to pass a 650-metre-long platform? সঠিক উত্তর 89 seconds
Speed of train = length of train/time to cross pole = 240/24 = 10 m/sec