| Hint | Answer | % Correct |
|---|---|---|
| 34,000,000 | Nile | 92%
|
| 5,200,000 | Yellow | 91%
|
| 300,000,000 | Ganges | 89%
|
| 105,000,000 | Yangtze | 86%
|
| 17,500,000 | Mekong | 82%
|
| 120,000,000 | Pearl | 74%
|
| 31,000,000 | Niger | 68%
|
| 20,000,000 | Rhine | 62%
|
| 19,000,000 | Red | 20%
|
| 11,000,000 | Godavari | 14%
|