A man divides his total route of journey into three equal parts and decide to travel the three parts with speed of 15 km/h. 10 km/h and 5 km/ h respectively. Find his average speed of during journey.

A man divides his total route of journey into three equal parts and de

1.	A man divides his total route of journey into three equal parts and decide to travel the three parts with speed of 15 km/h. 10 km/h and 5 km/ h respectively. Find his average speed of during journey.
A.	2.28 km/h
B.	9 km/h
C.	14 km/h
D.	8.18 km /h
E.	None of the above
Answer» E. None of the above

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A man divides his total route of journey into three equal parts and decide to travel the three parts with speed of 15 km/h. 10 km/h and 5 km/ h respectively. Find his average speed of during journey.

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