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QA train crosses a platform 100 meters long in 60 seconds at a speed of 45 km per hour. The time taken by the train to cross an electric pole, is:

ID: #2511 Problems on Trains 2,496 views

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#2511Q ID

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Problems on TrainsTopic

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Correct Answer: Option C

Length of train = x meters

Speed = (45 × 5/18) m/sec = (25/2) m/sec

Distance covered in crossing the platform = (x + 100) m

(x + 100) × 2/25 = 60

or 2x + 200 = 1500 or x = 650

Time is taken to cross the pale

= (650 × 2/25) Sec = 52 Sec.

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