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Prateek Asked :

11-01-2022 Problems on Trains

Q. What is the length of a running train? I. The train crosses a man in 9 seconds. II. The train crosses a 240 metre long platform in 24 seconds.

A. I alone sufficient while II alone not sufficient to answer
B. II alone sufficient while I alone not sufficient to answer
C. Both I and II are not sufficient to answer
D. Both I and II are necessary to answer


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