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A car is running at a speed of 45 km/hr for 3 hours.Then it runs at a speed of 55 km/hr for 6 hours.What is the average speed of car? ?->(Show Answer!)
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1. A car is running at a speed of 45 km/hr for 3 hours.Then it runs at a speed of 55 km/hr for 6 hours.What is the average speed of car?





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