| Hint | Answer | % Correct |
|---|---|---|
| White Nile, Blue Nile | Nile | 95%
|
| Fen, Wei | Yellow | 95%
|
| Madeira, Purus | Amazon | 90%
|
| Missouri, Ohio | Mississippi | 90%
|
| Jialing, Han | Yangtze | 90%
|
| Balikh, Kabhur | Euphrates | 85%
|
| Moselle, Main | Rhine | 85%
|
| Rio Conchos, Pecos | Rio Grande | 85%
|
| Greater Zab, Lesser Zab | Tigris | 85%
|
| Tisza, Sava | Danube | 80%
|
| Yamuna, Gaghara | Ganges | 80%
|
| Tonle Sap, Se San | Mekong | 80%
|
| Marne, Oise | Seine | 80%
|
| Ubangi, Kasai | Congo | 75%
|
| Darling, Murrumbidgee | Murray | 75%
|
| Gunnison, San Juan | Colorado | 70%
|
| Jhelum, Chenab | Indus | 70%
|
| Bani, Benue | Niger | 65%
|
| Kama, Oka | Volga | 60%
|
| Nera, Aniene | Tiber | 20%
|