A person covers half of his journey at 40 km/h, one-third at 60 km/h and rest of journey at 30 km/h. Find his average speed for the whole journey.?

A person covers half of his journey at 40 km/h, one-third at 60 km/h a

1.	A person covers half of his journey at 40 km/h, one-third at 60 km/h and rest of journey at 30 km/h. Find his average speed for the whole journey.?
A.	45 km/h
B.	42. 35 km/h
C.	50 km/h
D.	40 km/h
Answer» C. 50 km/h

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A person covers half of his journey at 40 km/h, one-third at 60 km/h and rest of journey at 30 km/h. Find his average speed for the whole journey.?

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