Question
A train 500 m long running at 90 km/hr takes 40 seconds
to cross a bridge. The length of the bridge isSolution
Speed of train = 90 km/hr = 90 × (5 / 18) = 25 m / sec If the length of bridge be x metre, then ⇒ 25 = (500 + x)/40 ⇒ 500 + x = 1000 ⇒ x = 1000 – 500 = 500 metre
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