Question

Question 12 A boy goes from A to B with a velocity of 20 m/min and comes back from B to A with velocity of 30 m/min. The average velocity of the boy during the whole journey is (a) 24 m/min (b) 25 m/s (c) Zero (d) 20 m/min Answer Answer: (a) 24 m/min
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Answer 1

Answer:

b is answer

Step-by-step explanation:

when I was a correct braillent answer

Answer 2

Answer:

(b) 25 m/s is the answer