a car travelled a distance of a speed 60km/h & return with a speed of 40km/h calculate average speed of whole jourbey
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Total time required =100/60+100/40=5/3+5/2=10/6+15/6=25/6 hr
Total distance traveled = 200 km
Average speed= total distance traveled/total time required
=>Average speed=200/(25/6)=48
Hence,average speed for the whole journey=48 km/hr
Total distance traveled = 200 km
Average speed= total distance traveled/total time required
=>Average speed=200/(25/6)=48
Hence,average speed for the whole journey=48 km/hr
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