a car travels 30 km with an speed of 40 km per hour and another 30 km at the speed of 20 km per hour, what is the average speed
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I think so it is 49.4 Km/hr
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1
av. speed =distance /time taken
so ,total distance =30+30
total time taken =40 +20
therefore, A.T.Q
ans. is 1km /h
so ,total distance =30+30
total time taken =40 +20
therefore, A.T.Q
ans. is 1km /h
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