Find the average speed of a car which travels the first 30km at a speed of 40km/h and the remaining 20km at a speed of 60km/h.
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Total Distance=30+20=50Km
Total Time=1+1=2Hr
Average speed=50÷2=25Km/hr
Total Time=1+1=2Hr
Average speed=50÷2=25Km/hr
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