1.

A train 200 meters long crosses a telephone pole in 10 seconds, then what is the speed of the train?

A. 25 किमी0/घंटा
B. 45 किमी0/घंटा
C. 72 किमी0/घंटा
D. 40 किमी0/घंटा
Answer» D. 40 किमी0/घंटा


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