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John is driving a car at 30 km/hr speed. He drove for half an hour and then he changed his speed to 60 km/hr and drove for another half an hour. What is the total distance covered by John and also find its average speed? [5 MARKS] |
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Answer» John is driving a car at 30 km/hr speed. He drove for half an hour and then he changed his speed to 60 km/hr and drove for another half an hour. What is the total distance covered by John and also find its average speed? [5 MARKS] |
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