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A train of length 350 m crosses a bridge of length 250 m in 20 seconds. What is the speed of the train (in km/h)? |
95 72 108 88 |
108 |
Speed of train = \(\frac{350 + 250 }{20}\) = \(\frac{600 }{20}\) = 30 m/sec 30 m/sec = 30 × \(\frac{18 }{5}\) km/h = 108 km/h |
