A man travel from A to B at 20 km/Hr. and come back from B to A at 30 km/hr. Find the average speed of the whole journey.

A man travel from A to B at 20 km/Hr. and come back from B to A at 30

1.	A man travel from A to B at 20 km/Hr. and come back from B to A at 30 km/hr. Find the average speed of the whole journey.
A.	23
B.	21
C.	24
D.	25
Answer» D. 25

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A man travel from A to B at 20 km/Hr. and come back from B to A at 30 km/hr. Find the average speed of the whole journey.

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