A girl while riding a bicycle moves with the speed of 10km /h for2h and with the speed of 15km/h for the next 2h find the total distance moved by her and her average speed
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Explanation:
In first two hrs she covered distance 2*10=20km
In next two hrs 2*15=30km
so total distance covered 20+30=50km
Avg speed =(10+15)/2=12.5km/hr
ketan4759:
what is the average speed
pls reply
correct hai
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