| Wskazówka | Odpowiedź | % Poprawnych |
|---|---|---|
| 6695km | nil | 100%
|
| 7040km | Amazonka | 97%
|
| 3530km | wołga | 90%
|
| 6300 km | Jangcy | 83%
|
| 4700km | kongo | 73%
|
| 5464km | Huang he | 70%
|
| 4500km | mekong | 67%
|
| 4160km | niger | 63%
|
| 4400km | lena | 60%
|
| 4440km | amur | 57%
|
| 4102km | jenisej | 47%
|
| 4380km | parana | 47%
|
| 6275km | Missisipi-Missouri | 23%
|
| 4240km | mackenzie | 23%
|
| 5410km | ob-irtysz | 17%
|