1.

A motorist travels to a place 100 Kms away at an average speed of 50 km/h and returns with 40 km/h. His average speed for the whole journey is:

A. 44.4 km/h
B. 45 km/h
C. 45.4 km/h
D. 48 km/h
Answer» B. 45 km/h


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