Sumit drives his car at constant rate of 40 km per hour for one hour an d then at constant rate of 60 km per hour . find its average speed ?
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you have to know time for which the car travelled at 60 km per hour
then add the 40 and 60 and then divide by total time that is total hours
the answer is the average speed
then add the 40 and 60 and then divide by total time that is total hours
the answer is the average speed
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