a girl while riding a bicycle move with a speed of 10 km per hour for 2h and with speed of 15 km /h for next 3h . find the total distance moved by her and find her average speed
sanya55:
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total dis.=10*2+15*3=65km
average speed= total dis/total time=65/5=13 km/hr
average speed= total dis/total time=65/5=13 km/hr
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