Two cities A and B 360 km apart. A car goes from A to B with a speed of 40km/h and returns to A with a speed of 60 km/h. What is the average speed of the car?
Options:
A .  45km/h
B .  48km/h
C .  50km/h
D .  55km/h
Answer: Option B
Distance between the cities A and B =360km Therefore, Average Speed = .
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