In what time will a train 100 metres long cross an electric pole, if its speed be144 km / hr? `2. 5\ s e con d s` . `4. 2\ s e con d s` c. `5\ s e con d s` d. `12. 5 s e con d s`

A man standing on a platform finds that a train takes 3 seconds to pass him and another train of the same length moving in the opposite direction takes 4 seconds. The time taken by the trains to pass each other will be 2 3/7s e con d s b. 3 3/7s e con d s c. 4 3/7s e con d s d. 5 3/7s e con d s

Two trains 200 metres and 150 metres long are running on parallel rails in the same direction at speeds of 40 km/hr and 45 km/hr respectively. Time taken by the faster train to cross the slowed train will be 72 s e con d s b. 132 s e con d s c. 192 s e con d s d. 252 s e con d s

A train with 90 km/hr crosses a bridge in, 36 seconds. Another train 100 metres shorter crosses the same bridge at 45 km/hr. What is the time taken by the second train to cross the bridge? 61 s e con d s b. 62 s e con d s c. 63 s e con d s d. 64 s e con d s

A 120 metre long train is running at a speed of 90 k/hr. It will cross a railway platform 230 m long in 4 4/5s e con d s b. 7 s e con d s c. 9 1/5s e con d s d. 14 s e con d s

A sped of 30.6 km/hr is the same as 5. 1 m//s e c b. 8. 5 m//s e c c. 110. 16 m//s e c d. none of these

A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going? 5 s e c b. 6 s e c c. 7 s e c d. 10 s e c

Two trains A and B start running together from the same point in the same direction, at the speeds of 60 kmph and 72 kmph respectively. if the length of each of the trains is 240 metres,, how long will it take for train B to cross train A? 1min2 s e c s b. 1min24 s e c c. 2min12 s e c s d. 2min24 s e c s

A train 240 m, long passed a pole in 24 seconds. How long will it takes to pass a platform 650 m long? 65 s e c b. 100 s e c c.89 s e c d. 150 s e c

A train covers a distances of 10 km in 12 minutes. If its speed is decreased by 5 km/hr, the time taken 10 m in b. 11min20 s e c c. 13 m in d. 13min20 s e c