Question

Only a single railway track is available for trains in Konkan area. A train travelling with uniform speed of 50 km per hr. leaves station 'Ax' at 7.40 am to reach the station 'By', which is situated at a distance of 100 km from 'Ax'. At 8.10 am a train travelling with uniform speed of 40 km per hr. leaves station By' to reach the station 'Ax'. The Traffic Controller noticed this situation at 8.40 am. Select the time duration that the controller has mathematically, for making decision, for avoiding collision between these two trains.

Answer 1

Answer:

sorry I don't know the answer