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1. |
A man travels 3 hours of the journey at a speed of 100 km/hr and remaining 2 hours of the journey at 120 km/hr. What is the average speed (in km/hr) of the entire journey? |
A. | 105 km/hr |
B. | 110 km/hr |
C. | 108 km/hr |
D. | 107 km/hr |
E. | 112 km/hr |
Answer» D. 107 km/hr | |