50
Two trains of lengths 100 m and 540 m run on parallel lines in the same direction at 90 km/hr and 18 km/hr. How long does the faster train take to pass the slower one completely?
Medium
Two trains of lengths 100 m and 540 m run on parallel lines in the same direction at 90 km/hr and 18 km/hr. How long does the faster train take to pass the slower one completely?
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