A man travels from A to B at a speed of 50 km/hr and returns to A by increasing his speed by 30%. What is his average speed during the whole journey?

A man travels from A to B at a speed of 50 km/hr and returns to A by i

1.	A man travels from A to B at a speed of 50 km/hr and returns to A by increasing his speed by 30%. What is his average speed during the whole journey?
A.	56(12/23)
B.	57(1/2)
C.	56(2/3)
D.	52(1/3)
Answer» B. 57(1/2)

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A man travels from A to B at a speed of 50 km/hr and returns to A by increasing his speed by 30%. What is his average speed during the whole journey?

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