A person goes from point J to K with a speed of 80 km/hr and returns back with a speed 120 km/hr. What is the average speed (in km/hr) of the person while going from J to K and coming back?

A person goes from point J to K with a speed of 80 km/hr and returns b

1.	A person goes from point J to K with a speed of 80 km/hr and returns back with a speed 120 km/hr. What is the average speed (in km/hr) of the person while going from J to K and coming back?
A.	90
B.	96
C.	100
D.	104
Answer» C. 100

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A person goes from point J to K with a speed of 80 km/hr and returns back with a speed 120 km/hr. What is the average speed (in km/hr) of the person while going from J to K and coming back?

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