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  1. A train 150 m long passes a telegraphs post in 12 seconds. Find in what time, it will pass a bridge 250 m long ?
    1. 32 sec
    2. 36 sec
    3. 25 sec
    4. 24 sec
Correct Option: A

∵ Speed of the train = 150/12 m/sec.
Required time taken to cross the bridge = [(150 + 250) x (12/150)] = 32 sec.


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