A walks from P to Q @ 3 km/hr and from Q to P @ 6 km/hr. What is his a – McqOptions

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1.	A walks from P to Q @ 3 km/hr and from Q to P @ 6 km/hr. What is his average speed ?
A.	4.5 km/hr
B.	5 km/hr
C.	5.5 km/hr
D.	4 km/hr
Answer» E.

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