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| 1. |
Q: One third of a certain journey is covered at the speed of 40 km/hr, one fourth at the speed of 25 km/hr and the rest at the speed of 50 km/hr. what will be the average speed(in km/hr) for the whole journey? |
| A. | 37.5 |
| B. | 33.5 |
| C. | 33.33 |
| D. | 38.33 |
| Answer» B. 33.5 | |