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4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If afterpassing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?1). 48 km/hr2). 57.6 km/hr3). 72 km/hr4). 38.4 km/hr |
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