1.

The two cities P and Q are 360 km apart from each other. A car goes from P to Q with a speed of 40 km/hr and returns to P with a speed of 60 km/hr. What is the average speed of the car?

A. 45 km/hr
B. 48 km/hr
C. 50 km/hr
D. 55 km/hr
Answer» C. 50 km/hr


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