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A train cross a pole in 12 seconds. If the speed of the train is 54 km/hr then length of train will be (1) 648 meter (2) 150 meter (3) 180 meter (4) 100 meter |
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Answer» (3) 180 meter 54 km/hr = ( 54 x 5/18) m/s = 15 m/s ∴ Length of train = (15 x 12) m = 180 m |
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