A man makes his upward journey at
16 km/h and Downward journey at
28 km/h. What is his average speed ?
(b) 56 km/h
(a) 32 km/h
(d) 22 km/h
(c) 20.36 km/h
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Answer:
its d
that is 22
16+28÷2= 22
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