A motorist travels to a place 150 km. away at an average speed of 50 k – McqOptions

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1.	A motorist travels to a place 150 km. away at an average speed of 50 km/h and returns at 30 km/h. His average speed for the whole journey in km./h is :
A.	37.5
B.	37
C.	35
D.	40
Answer» B. 37

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