The speed of a train is 72 km/hrs. In every 30 minutes, the train reduces its speed by 8 km/hrs. If the train has to travel 120 km. find out the time taken to cover this distance?
1
2 hrs
2
4 hrs
3
15 hrs
4
3 hrs
The speed of a train is 72 km/hrs. In every 30 minutes, the train reduces its speed by 8 km/hrs. If the train has to travel 120 km. find out the time taken to cover this distance?