A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speed for the whole journey?

A man walks from P to Q at the rate of 5 km/h and returns from Q to P

1.	A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speed for the whole journey?
A.	3.25 km/h
B.	3.75 km/h
C.	3.5 km/h
D.	8 km/h
Answer» C. 3.5 km/h

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A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speed for the whole journey?

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