a man travels from point a to point b at the speed of 24 ms-1 and returns back

Question

a man travels from point a to point b at the speed of 24 ms-1 and returns back at the speed of 16 ms- 1 . what is the average speed of the man in the whole ?

Options:

A . 6 ms-1

B . 10.7 ms-1

C . 12 ms-1

D . 19.2 ms-1

Answer: Option D
Explanation :

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