Question
A train travelling with a speed of 108 km/h can cross a
pole in 9 seconds. Find the time taken by the train to cross a 330 metres long platform if the speed of train is increased by 25%.Solution
Speed of train = 108 × 5/18 = 30 m/s Length of train = 30 × 9 = 270 metres Desired time = (330 + 270)/(1.25 × 30) = 16 seconds
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