10 most difficult geography riddles A list of ten (out of 627) geography related questions that are the most often answered incorrectly Geography quiz How many countries use Italian as the official language?4. Italian is the official language in Italy, San Marino, Switzerland and the Holy See. Italian is also used in some parts of Slovenia and Croatia.very hard 8% 1120%2234%3336%448%Created by: globalquiz.org. Statistics based on 14422 answers in 2 languages »geography of Italy riddles » The Caspian Sea, the largest lake in the world, is: North freshwater, south saltwater, east super salty. The Caspian Sea, fed by freshwater (sweet) rivers, mainly Volga (80%) and Ural in the north, is freshwater, while it's deeper, warmer and saline (1.2%) in the south. The salinity of Garabogazköl, shallow eastern bay is 35%!very hard 15% freshwater freshwater34% saltwater saltwater32% North freshwater, south saltwater North freshwater, south saltwater17% North freshwater, south saltwater, east super salty. North freshwater, south saltwater, east super salty.15%Created by: Katarzyna Dąbrowska. Statistics based on 353 answers in 2 languages »lakes riddles » How many countries does Spain share a land border with?5. It's France, Portugal, Andorra, Morocco (Ceuta) and UK (Giblartar)very hard 16% 2226%3340%4417%5516%Created by: globalquiz.org. Statistics based on 5054 answers in 2 languages »geography of Spain riddles » which river flows through DelhiYamuna. The Yamuna river was the historical boundary between Punjab and UP, and its flood plains provide fertile alluvial soil suitable for agriculture but are prone to recurrent floods. The Yamuna, a sacred river in Hinduism, is the only major river flowing through Delhi.very hard 17% IndusIndus26%YamunaYamuna17%GangesGanges49%RaviRavi6%Created by: Normans. Statistics based on 850 answers in 2 languages »India riddles » Which is the highest peak in the Balkans?Musala (2,925 m) is the highest peak in Bulgaria and entire Balkan Peninsula. Olympus (2,918 m) is the highest peak in Greece and the 2nd highest in the Balkans. Triglav (2,864 m) and Korab (2,764 m) are the highest peaks in Slovenia and Macedonia, respectively, but they are not the 3rd and the 4th highest peaks in the Balkans.very hard 18% OlympusOlympus37%MusalaMusala18%TriglavTriglav35%KorabKorab8%Created by: Edis Kuko. Statistics based on 792 answers in 2 languages »mountains riddles » What is the most populous island of the Carribean?Hispaniola is the second-largest island in the Caribbean (after Cuba). Its total population of 20M is shared almost equally between Haiti and Dominicana. The population of Hispaniola is about two times larger than the population of Cuba (11M).very hard 19% CubaCuba40%HispaniolaHispaniola19%JamaicaJamaica29%Puerto RicoPuerto Rico10%Created by: Hitter smasher. Statistics based on 4734 answers in 2 languages »Caribbean riddles » How much of Australia coastline is desertous? (out of total 21,262 miles/34,218 km)140 miles (180 km). More than 40% of Australia's land is classified as desert, but almost all of it is located inland. The Great Sandy Desert is the only one to extend to the coast, forming the long sweep of the Eighty Miles Beach (which is actually 140 miles long).very hard 21% 140 miles (180 km)140 miles (180 km)21%1,000 miles (1,600 km)1,000 miles (1,600 km)14%3,000 miles (4,800 km)3,000 miles (4,800 km)24%14,000 miles (22,500 km)14,000 miles (22,500 km)40%Created by: Cleo. Statistics based on 4724 answers in 2 languages »geography of Australia riddles » 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 22% LinzLinz14%GrazGraz22%InnsbruckInnsbruck29%SalzburgSalzburg33%Created by: globalquiz.org. Statistics based on 1570 answers in 9 languages »Austria riddles » Which economy is the biggest in the world?European Union. GDP of the whole EU amounted to $17,371 bilion in 2013. USA was second with $16,799 bilion, followed by China ($9,181 bilion) and Japan ($4,901 bilion).very hard 22% JapaneseJapanese4%ChineseChinese40%United States United States 32%European UnionEuropean Union22%Created by: Oskar Gryz. Statistics based on 2228 answers in 2 languages »economy riddles » Which desert has this famous "eye"?Sahara. The Richat Structure in Mauritania, also known as the Eye of the Sahara, was interpreted as an asteroid impact structure, but no evidence for shock metamorphism has been found. Today scientists believe that it is a huge (40 km in diameter) and deeply eroded geologic dome.very hard 24% NamibNamib20%GobiGobi31%SaharaSahara24%MojaveMojave24%Created by: globalquiz.org. Statistics based on 7282 answers in 2 languages »deserts of Africa riddles » Play geography quiz and see all the questions.