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

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

1.	A man covers half of his journey at 6 km/h and the remaining half at 3 km/h. His average speed is
A.	km/h
B.	.5 km/h
C.	km/h
D.	km/h
Answer» D. km/h

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

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