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Problem on Trains

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  1. A train 250 meter long, running with a speed of 50 km/hr will pass an electric pole in ?
    1. 30 seconds
    2. 18 seconds
    3. 72 seconds
    4. 60 seconds
Correct Option: B

∵ Speed of the train = 50 x (5/18) = 125/9 m/sec
∴ Time taken by the train to pass the pole = 250 x (9/125) = 18 sec


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