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A body travels one third of the distance at speed 10km/h, next one third at speed 20km/h and the remaining at speed of 40km/h. What is the average speed for entire journey? |
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Answer» A body travels one third of the distance at speed 10km/h, next one third at speed 20km/h and the remaining at speed of 40km/h. What is the average speed for entire journey? |
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