Two trains P and R of length 200 m and 140 m running with speed at 68m/s and 51 m/s in same direction. Then, find the time taken by train to overtake each other.
1
40 seconds
2
60 seconds
3
9 seconds
4
20 seconds
Two trains P and R of length 200 m and 140 m running with speed at 68m/s and 51 m/s in same direction. Then, find the time taken by train to overtake each other.