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A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately? |
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Answer» 10.8 KM/hr Total distance TRAVELED = 10 + 12 = 22 km /hr. Total time taken = 10/12 + 12/10 = 61/30 hrs. Average SPEED = 22 * 30/61 = 10.8 km/hr. |
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