| N° | KM | Answer | % Correct |
|---|---|---|---|
| 1. | 6.650 | Nile | 100%
|
| 2. | 6.400 | Amazon | 90%
|
| 4. | 6.275 | Mississippi | 80%
|
| 3. | 6.300 | Yangtze river | 80%
|
| 6. | 5.464 | Yellow river | 80%
|
| 9. | 4.700 | Congo River | 70%
|
| 8. | 4.880 | Rio de la Plata-Parana | 40%
|
| 10. | 4.444 | Amur | 30%
|
| 5. | 5.539 | Yenisei | 20%
|
| 7. | 5.410 | Ob-Irtysh | 10%
|