Two trains are running on parallel lines in the same direction at speed of 40 km per hour and 20 km per hour respectively the faster train crosses a man in the second train in 36 seconds if the length of the faster trainers
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Answer:
50m
Explanation:
=(40−20)×5/18=25/9 m/s
l+l/25/9=36
=2l=25/9×36= L=50m
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