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Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:

Correct Answer: 50 m

Explanation:

Let the length of each train be x metres.

Then, distance covered = 2x metres.


Relative speed = (46 - 36) km/hr



   = 10 x 5 ❩m/sec
18



   = 25 ❩m/sec
9



2x = 25
36 9


⟹ 2x = 100


x = 50.


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