The most difficult Austria riddles A list of Austria related questions that are most often answered incorrectly Europe quiz What is the second largest city in Austria, after Vienna?Graz. The four largest cities in Austria are Vienna (1.8 million), Graz (269,000), Linz (193,000) and Salzburg (146,000).very hard 25% LinzLinz13%GrazGraz25%InnsbruckInnsbruck28%SalzburgSalzburg31%Created by: globalquiz.org. Statistics based on 2399 answers in 9 languages »Vienna riddles » What jubilee did the Wiener Wurstelprater amusement park celebrate in 2016?250 years. This institution dates back to the time of the Austrian Empire, when Emperor Joseph II made the Prater open to public in 1766. Soon the first snack bars, stalls and bowling alleys opened up on the grounds and the Wurstelprater was born. The best-known attraction is the Wiener Riesenrad, a 64.75 metre tall Ferris wheel.very hard 38% 100 years100 years24%250 years250 years38%200 years200 years31%50 years50 years5%Created by: ;-). Statistics based on 2232 answers in 3 languages »Entertainment riddles » What is Serfaus known for?It is the smallest city with an active metro. Serfaus is a municipality in the district of Landeck in the Austrian state of Tyrol. Serfaus is also known for its small hovertrain subway system, the Dorfbahn Serfaus. With four stations and a length of 1280 m (the second-shortest underground train line in the world) it allows for a complete ban of cars within the town, while at the same time maintaining the village's attractiveness to tourists, particularly skiers. hard 43% There is the highest mountain in Austria.There is the highest mountain in Austria.23%It is the smallest city with an active metro.It is the smallest city with an active metro.43%From the castle with the famous White Tower.From the castle with the famous White Tower.12%From the monastery founded in the 7th century.From the monastery founded in the 7th century.19%Created by: Tschuka. Statistics based on 4187 answers in 3 languages »metro riddles » Where is the headquarters of OPEC?In Vienna. OPEC was created in 1960 with headquarters in Geneva, Switzerland. It moved to Vienna, Austria in 1965.hard 48% in Riyadhin Riyadh11%in Dubaiin Dubai26%in Caracasin Caracas13%in Viennain Vienna48%Created by: globalquiz.org. Statistics based on 9637 answers in 3 languages »oil riddles » Which two European capitals are the closest to each other?Vienna and Bratislava. Bratislava is only 60 kilometers (37.3 mi) from the Austrian capital Vienna. Before the Second World War, there was a regular fast tram service between the two.hard 51% Tallinn and HelsinkiTallinn and Helsinki7%Vilnius and MinskVilnius and Minsk8%Brussels and LuxembourgBrussels and Luxembourg32%Vienna and BratislavaVienna and Bratislava51%Created by: globalquiz.org. Statistics based on 28183 answers in 2 languages »Slovakia riddles » How long is the longest single residential building in the world? 1100 meters. Karl-Marx-Hof was built between 1927 and 1930 by city planner Karl Ehn, a follower of Otto Wagner. It held 1,382 apartments. Only 18.5% of the 156,000 m²-large area was built up, with the rest of the area developed into play areas and gardens. At over a kilometre in length (1,100 metres)) and spanning four Straßenbahn (tram) stops, Karl-Marx-Hof is the longest single residential building in the world. hard 54% 720 meters720 meters5%960 meters960 meters16%1100 meters1100 meters54%1400 meters1400 meters23%Created by: Tschuka. Statistics based on 159 answers in 3 languages »architecture riddles » What did Niki Lauda do after the end of a career in F-1?He ran his own airline. Lauda Air Luftfahrt GmbH, branded as Lauda Air, was an Austrian charter airline based in Vienna, which was founded by Niki Lauda. In 1999 he sold his shares and the company merged with Austrian Airlines. At the end of 2003 he launched a second, competitive airline Niki.average 68% coached extreme sportscoached extreme sports8%He ran his own airlineHe ran his own airline68%He was in space as astronautHe was in space as astronaut8%He bought and ran a football teamHe bought and ran a football team14%Created by: Krzysztof Moskal. Statistics based on 24865 answers in 3 languages »car racing riddles » Play Europe quiz and see all the questions.