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1. |
A car travels at the speed of 50 km/hr for the first half of the journey and at the speed of 60 km/hr for the second half of the journey. What is the average speed of the car for the entire journey? |
A. | 54.54 km/hr |
B. | 36.36 km/hr |
C. | 50.5 km/hr |
D. | 45.45 km/hr |
Answer» B. 36.36 km/hr | |