Question
Length of a train, whose speed is 90 km/h, is 600
metres. Find the time taken (in seconds) by train to cross a bridge of length 300 metres.Solution
Speed of train = 90 km/h = 90 × (5/18) = 25 m/s
Required time = (600 + 300) ÷ 25 = 900 ÷ 25 = 36 seconds
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Conclusions : I. E ≥ O II. A < E
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