A man travels 75 km at speed 25 km/h and next 60 km at 20 km/h and thereafter travel 90 km at 15 km/h. His average speed is;

A man travels 75 km at speed 25 km/h and next 60 km at 20 km/h and the

1.	A man travels 75 km at speed 25 km/h and next 60 km at 20 km/h and thereafter travel 90 km at 15 km/h. His average speed is;
A.	15 km/h
B.	18.75 km/h
C.	20.25 km/h
D.	25.5 km/h
Answer» C. 20.25 km/h

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A man travels 75 km at speed 25 km/h and next 60 km at 20 km/h and thereafter travel 90 km at 15 km/h. His average speed is;

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