A boy goes from A to B with a velocity of 20m/min and comes back from B to A with a velocity of 30m/min. The average velocity of the boy during the whole journey is
(a) 24 m/min
(b) 25 m/sec
(c) Zero
(d)20 m/min
Answers
Answered by
6
Answer:
(b) 25 m/sec is the correct answer
Similar questions