A car is cover is successive 3 km stretches at the speed of 10kmph 20kmph 30 mph and 60kmph respectively what is the average speed
distance cover of this car
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A car covers 4 successive 3 km stretches at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr respectively. The average speed of the car for the ...
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