Question
In how much time will a train running with a speed of 72 km/hr cross the second train?
I. The length of the two trains is 80 metres and 100 metres respectively.
II. The speed of the second train is 60 km/hr.
Solution
Since, we do not know the direction in which the two trains are running, we cannot answer the question. Therefore, the statement I and II are not sufficient to answer the question.
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