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A car travels at a distance at speed of 50km/h and returns at a speed of 40km/hr. Calculate the average speed for the whole journey |
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Answer» 22 2/9Explanation:let the DISTANCE be xThen,tThe time TAKEN on going is x/50,Time taken on coming is x/40The distance is same So,find AVERAGE speedx÷(x/50+x/40)solve itx÷9x/200Average speed is 200/9That is 22 2/9 |
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