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Without stoppages, a train travels certain distance with an average speed of 80 km/h, and with stoppages, it covers the same distance with an

Without stoppages, a train travels certain distance with an average speed of 80 km/h, and with stoppages, it covers the same distance with an average speed of 60 km/h. How many minutes per hour the train stops? 1. 15 18 10 4. 16 5. None of these 2. 3.

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