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

*/*_A man covers half of his journey at 6km/h and the remaining half a

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

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

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