Question

on a parallel railway track a passenger train moving with a speed of 72 km per hour and length of the train is 90 m whereas a express train which is running at the speed of 108 km per hour and its length is 50 m find the time it will cross other
1.move in opposite direction and
2. moving in same direction​

Answer 1

Explanation:

Train Problems form an interesting portion of the time-distance problems. The Train Problems are a bit different than the regular problems on the motion of the objects. This is due to the finite size of the trains. As a result of the length of the trains, many interesting train problems originate. Here we will learn certain tricks and see the various forms of the train problem