| Hint | Answer | % Correct | |
|---|---|---|---|
| A | 6,992 | Amazon | 99%
|
| N | 6,853 | Nile | 94%
|
| M | 6,275 | Mississippi | 89%
|
| D | 2,888 | Danube | 88%
|
| Y | 6,300 | Yangtze | 87%
|
| C | 4,700 | Congo | 82%
|
| Z | 2,693 | Zambezi | 81%
|
| G | 2,620 | Ganges | 78%
|
| V | 3,645 | Volga | 78%
|
| I | 3,610 | Indus | 66%
|
| E | 3,596 | Euphrates | 60%
|
| O | 5,410 | Ob | 59%
|
| B | 3,848 | Brahmaputra | 51%
|
| P | 4,880 | Paraná | 51%
|
| R | 3,057 | Rio Grande | 51%
|
| L | 4,400 | Lena | 47%
|
| U | 2,428 | Ural | 30%
|
| T | 3,650 | Tocantins | 14%
|
| F | 1,368 | Fraser | 10%
|
| S | 3,180 | Sao Francisco | 8%
|
| K | 2,513 | Kolyma | 7%
|
| J | 1,580 | Jubba | 4%
|
| H | 1,130 | Helmand | 2%
|
| W | 1,400 | Warburton | 2%
|