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Two trains of lengths 100 m and 200 m run on parallel lines in the same direction at 81 km/hr and 45 km/hr. How long does the faster train take to pass the slower one completely?
Medium
Two trains of lengths 100 m and 200 m run on parallel lines in the same direction at 81 km/hr and 45 km/hr. How long does the faster train take to pass the slower one completely?
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