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Question

At what time will a train reach city P from city Q?

Statement I: The 600 meter long train crosses a signal pole in 20 seconds.

Statement II: The another train crosses a 400 m long platform in 30 secs.

Statement III: The train leaves city P at 10:00 am for city Q situated at a distance of 1,620 km.

A I and II together or only III alone Correct Answer Incorrect Answer
B Only I and III Correct Answer Incorrect Answer
C Only I and II Correct Answer Incorrect Answer
D All I, II and III Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

From I and III, Speed of the train = 600/20× 18/5 = 72 km/hr. Time = 1620/72 = 22*1/2 hrs. Arrival time = 10 am + 22*1/2hrs = 8.30 am. Statement I and III is sufficient to answer the question.

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