The time taken by a train 180 m long, travelling at 42 kmph, in passing a person walking in the same direction at 6 kmph, will be `18\ s e c` b. `21\ s e c` c. `24\ s e c` d. `25\ s e c`

A jogger running at 9 kmph alongside a railway track is 240 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction. In how much time will the train pass the jogger? 3. 6 s e c b. 36 s e c c. 18 s e c d. 72 s e c

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 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

A is travelling at 72 km per hour on a highway while B is travelling at a speed of 2 metres per second. What is the difference in their speeds in metres per seconds? 1 1/2m//s e c b. 2m//s e c c. 3 m//s e c d. 5m//s e c

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

Two trains of lengths 120 m and 90 m are running with speeds of 80 km/hr and 55 km/hr respectively towards each other on parallel lines. lf they are 90 m apart, after how many seconds they will cross each other? 5. 6 s e c b. 7. 2 s e c c. 8 s e c d. 9 s e c

A train moving at 15 m/sec takes 20 seconds to pass a cyclist moving in the same direction as that of the train. How much time will be train need to pass the cyclist, if the cyclist moves in a direction opposite to that of the train and if the speed of the cyclist is 5m/sec and the length of the cycle is 1 m? 9. 95 s e c b. 10 s e c c. 10. 05 s e c d. 12 s e c