A. 4 : 40 am

B. 4 : 38 am

C. 4 : 35 am

D. 4 :3 9 am

E. None of these

A man’s speed with the current is 15 km/hr and the speed of the current is 2.5kmph, the man’s Speed against the current is

A train moves with a speed of 108 kmph. Its speed in meters per sec

A train crosses a platform 100 m long in 60 sec at a speed of 45 km/hr. the time taken by the train by the train to cross an electric pole is:

A train running at 7/11 of its own speed reached a place in 22 hours. How much time could be saved if the train would have run at its own speed?

In what time will a train 100 meters long cross an electric pole, if its speed be 144 km/hr?