a car moves with a speed of 30 kilometre per hour for half an hour and 25 kilometre per hour for 1 hour and 40 km per hour for 2 hours calculate average speed of the car
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Average speed = Total distance / Time
= 30 + 25 + 40 / 2.5
= 95 / 2.5
= 38 Kmph
= 30 + 25 + 40 / 2.5
= 95 / 2.5
= 38 Kmph
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