Answered

A bus travels one-third of the distance with a speed of 12 kmh⁻¹ and the remaining distance with a speed of 20 kmh⁻¹. The average speed of the bus is nearly______ kmh⁻¹.


A. 14
B. 20
C. 12
D. 16

Answer :

the correct answer should be: D.16

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