A train overtakes two persons who are walking in the same direction as the train is moving , at ...

A train overtakes two girls who are walking in the opposite direction in which the train is going at the rate of 3 km/h and 6km/hr and passes them completely in 36 seconds and 30 seconds respectively. The length of the train (in metres) is :

A train overtakes two persons walking along a railway track. The first one walks at 4.5 km/hr. The other one walks at 5.4 km/hr. The train needs 8.4 and 8.5 seconds respectively to overtake them. What is the speed of the train if both the persons are walking in the same direction as the train?

A train passes two persons walking in the same directions at a speed 5 km/hr and 7 km/hr respectively in 10 sec and 11 sec respectively. Find the speed of the train.