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1. |
A motorist covers the distance of 60 km from A to B at a speed of 20 km/hr and return journey from B to A at a speed of 30 km/hr. His average speed of entire journey is |
A. | 22 km/hr |
B. | 24 km/hr |
C. | 26 km/hr |
D. | 25 km/hr |
Answer» C. 26 km/hr | |