A man covers half of his journey at 12 km/h and the remaning half at 36 km/h. Find his average speed?

A man covers half of his journey at 12 km/h and the remaning half a

1.	A man covers half of his journey at 12 km/h and the remaning half at 36 km/h. Find his average speed?
A.	20 km/h
B.	18 km/h
C.	15 km/h
D.	10 km/h
Answer» C. 15 km/h

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A man covers half of his journey at 12 km/h and the remaning half at 36 km/h. Find his average speed?

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