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Distance from a place A to another place B is 200 km. A car takes 3 hours to go from A to B and 4 hours to return from B to A. What is the average speed of the car in the whole journey? ?->(Show Answer!)
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1. Distance from a place A to another place B is 200 km. A car takes 3 hours to go from A to B and 4 hours to return from B to A. What is the average speed of the car in the whole journey?






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