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A train of length 342 m is running at 54 km/h. In how much time(in seconds) will it cross a bridge of length 438 m? |
48 50 54 52 |
52 |
Speed = 54 km/h 54 km/h = 54 × \(\frac{5}{18}\) = 15 m/sec Total distance = 342 + 438 = 780 m Time taken to cross bridge = \(\frac{780}{15}\) = 52 sec |
