A motorcyclist drives from A to B with a uniform speed of 30 km/h and returns back with a speed of 20 km/h.Find its average speed.
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Let the distance=x
Total Distance=x+x=2x
time=x/20+x/30=5x/60
Average speed=Total distance/total time
then, 2x/(5x/60)=2x*60/5x=24km/h
plz mark as brainliest
Total Distance=x+x=2x
time=x/20+x/30=5x/60
Average speed=Total distance/total time
then, 2x/(5x/60)=2x*60/5x=24km/h
plz mark as brainliest
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