Abdul goes from city A to city B at the speed of 40 km/hr and returns a speed of 60 km/hr. His average speed for the whole trip is -

Abdul goes from city A to city B at the speed of 40 km/hr and returns

1.	Abdul goes from city A to city B at the speed of 40 km/hr and returns a speed of 60 km/hr. His average speed for the whole trip is -
A.	32 km/hr
B.	50 km/hr
C.	48 km/hr
D.	None of the above
Answer» D. None of the above

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Abdul goes from city A to city B at the speed of 40 km/hr and returns a speed of 60 km/hr. His average speed for the whole trip is -

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