1.

What is the speed of the train?_x000D_ I. _x000D_ The train crosses a tree in 13 seconds._x000D_ II. _x000D_ The train crosses a platform of length 250 metres in 27 seconds._x000D_  III. _x000D_ The train crosses another train running in the same direction in 32 seconds.

A. I and II only
B. II and III only
C. I and III only
D. Any two of the three
E. None of these
Answer» B. II and III only


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