Question

A man covers a certain distance by car driving at 40km/
hr and he returns back to the starting point riding on a
scooter at 10km/hr. find his average speed for the whole
journey
1) 8km/hr 2) 16km/hr 3) 12km/hr 4) None of these​

Answer 1

Answer:

None of these

Step-by-step explanation:

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Answer 2

Answer:

(40+10+10+10+10) /5 = 16