two trains 137 M long and 163 M long run on parallel tracks in the same direction the speed of the first train is 48 km per hour and the second train crosses the first train in 3 minutes find the time taken by them to cross each other in opposite direction?
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Answer:
Relative speed = 42 + 8 = 90kmph
Sum of the length of both trains
= 137 + 163 = 300 metres
Required time = 12 seconds
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