Which river is common to Budapest, Belgrade and Vienna?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Danube
The Danube, the second-longest river of Europe after the Volga (about 2,850 km), rises in the Black Forest of Germany and flows east into the Black Sea. On its way it passes through four national capitals: Vienna (Austria), Bratislava (Slovakia), Budapest (Hungary) and Belgrade (Serbia).