a car travels half the distance with 40 kilometre per hour and rest half distance with 60 kilometre per hour then the average speed of the car is
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Total distance = LCM of 40, 60 = 120
Avg speed = total distance / total times
120/(120/40 +120/60)
120/5
24km/hr
Avg speed = total distance / total times
120/(120/40 +120/60)
120/5
24km/hr
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