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Two trains of lengths 110 m and 90 m are running on parallel tracks at 45 km/hr and 50 km/hr respectively. In what time will they pass each other?
Distance to be covered is 110 + 90 = 200 m.
Relative speed is 50 – 45 = 5 km/hr = 5 × 5/18 = 25/18 m/s.
So time required = 200/(25/18) = 144 sec.
Hence, option 4 is the correct answer.
By: Amit Kumar ProfileResourcesReport error
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