1.

If a train 150 m long crosses an electric pole in 5 sec, then the speed of the train is

A. 108 किमी0/घंटा
B. 90 किमी0/घंटा
C. 6.8 किमी0/घंटा
D. 68 किमी0/घंटा
Answer» B. 90 किमी0/घंटा


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