1A body covers 1/3 of its journey with a speed of 2 m/s, next 1/3 part with a speed of 3 m/s and rest of the journey with a velocity 6 m/s. Then the average speed of the body for the total journey is : (A) 3 m/s(B) 8/3m/s(C)11/4 m/s(D) 4/3 m/s About the author Maya
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