A man covers half of his journey at 6km/hr and the remaining half at 3km/hr. His average speed is

A man covers half of his journey at 6km/hr and the remaining half at 3

1.	A man covers half of his journey at 6km/hr and the remaining half at 3km/hr. His average speed is
A.	9 km/hr
B.	4.5 km/hr
C.	4 km/hr
D.	3 km/hr
Answer» D. 3 km/hr

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A man covers half of his journey at 6km/hr and the remaining half at 3km/hr. His average speed is

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