A man walks at 5kmph for 6hr and at 4km/h for 12hr. His average speed – McqOptions

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1.	A man walks at 5kmph for 6hr and at 4km/h for 12hr. His average speed is
A.	4 1/3 km/h
B.	7 2/3 km/h
C.	9 Â½ km/h
D.	8 km/h
Answer» B. 7 2/3 km/h

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