a train 360 m long is running at a speed of 45 km /h. In what time will it pass a bridge 140 m long.
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1 upon 90 seconds is the time which the train will take
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THE TRAIN WILL PASS THE BRIDGE IN 100s.
Since, distance will be the sum of length of train and of bridge that is 500m.Speed of training is 45kmprhr or 12.50m/sec .So,the time taken is equal to distance upon speed.Hece the time taken is 40seconds.
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