A body goes from A to B with a velocity of 20 m/s and comes back B to A with a velocity of 30 m/s. The average velocity of the body during the whole journey is

A body goes from A to B with a velocity of 20 m/s and comes back B to

1.	A body goes from A to B with a velocity of 20 m/s and comes back B to A with a velocity of 30 m/s. The average velocity of the body during the whole journey is
A.	zero
B.	24 m/s
C.	25 m/s
D.	none of these
Answer» C. 25 m/s

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A body goes from A to B with a velocity of 20 m/s and comes back B to A with a velocity of 30 m/s. The average velocity of the body during the whole journey is

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