| Hint | Answer | % Correct |
|---|---|---|
| London, United Kingdom | Thames | 93%
|
| Vienna, Austria | Danube | 92%
|
| Cairo, Egypt | Nile | 91%
|
| Brazzaville, Congo | Congo | 87%
|
| Budapest, Hungary | Danube | 86%
|
| Paris, France | Seine | 86%
|
| Khartoum, Sudan | Nile | 77%
|
| Phnom Penh, Cambodia | Mekong | 76%
|
| Belgrade, Serbia | Danube | 75%
|
| Washington, USA | Potomac | 68%
|
| Bamako, Mali | Niger | 67%
|
| Buenos Aires, Argentina | Plate | 64%
|
| Montevideo, Uruguay | Plate | 55%
|
| Warsaw, Poland | Vistula | 55%
|
| Kiev, Ukraine | Dnieper | 53%
|
| Vaduz, Liechtenstein | Rhine | 49%
|
| Amsterdam, Netherlands | Amstel | 36%
|
| Dublin, Ireland | Liffey | 35%
|
| Moscow, Russia | Moskva | 21%
|
| Hanoi, Vietnam | Red | 17%
|
| Bangui, CAR | Ubangi | 13%
|
| Delhi, India | Yamuna | 9%
|
| Brussels, Belgium | Zenne | 8%
|
| Wellington, New Zealand | Hutt | 6%
|
| Tokyo, Japan | Sumida | 4%
|
| Beijing, China | Yongding, Chaobai, Juma and Wenyu | 4%
|