The most difficult Eastern Asia riddles A list of Eastern Asia related questions that are most often answered incorrectly Asia quiz What is the second largest city in South Korea, after Seoul?Busan. The four largest cities in South Korea are Seoul (9.8 million), Busan (3.4 million), Incheon (2.7 million) and Daegu (2.4 million).very hard 36% PyongyangPyongyang39%BusanBusan36%DaeguDaegu18%IncheonIncheon6%Created by: globalquiz.org. Statistics based on 2670 answers in 10 languages »South Korea riddles » Which country was formerly named Formosa?Taiwan. Formosa is a name given to the island by the Portuguese explorers (“Ilha Formosa” - “beautiful island”). The name was used until 1945.hard 46% TaiwanTaiwan46%GreeceGreece6%TunisiaTunisia34%BrasilBrasil12%Created by: globalquiz.org. Statistics based on 3753 answers in 9 languages »Taiwan riddles » Which country is Fujian a part of?China. The name Fujian is a combination of two city names: Fuzhou and Jianzhou.hard 47% ChinaChina47%JapanJapan25%PhilippinesPhilippines16%IndonesiaIndonesia10%Created by: globalquiz.org. Statistics based on 3674 answers in 9 languages »China riddles » Which river flows through Seoul?Han River. There are four large rivers named “Han” in East Asia: two in China, one in Vietnam and one in South Korea. The largest of them is Han river in China, which is the largest tributary of Yangtze.hard 48% Yellow RiverYellow River24%Red RiverRed River15%Han RiverHan River48%Pearl RiverPearl River12%Created by: globalquiz.org. Statistics based on 11220 answers in 9 languages »rivers riddles » Which country is Yunnan a part of?China. Yunnan is a mountainous province in southern China. It borders Vietnam, Laos, and Burma. The province is one of China's major tourist destinations, famous for its landscapes and cultural diversity.average 65% JapanJapan8%ChinaChina65%IndiaIndia15%YemenYemen10%Created by: globalquiz.org. Statistics based on 5348 answers in 9 languages »Asia riddles » What is the capital city of Mongolia?Ulan Bator. The city was founded in 1639 as a nomadic Buddhist monastic centre. It changed location twenty-eight times, with each location being chosen ceremonially – before settling permanently at its present location in 1778.very easy 85% SamarkandSamarkand3%DushanbeDushanbe4%TashkentTashkent7%Ulan BatorUlan Bator85%Created by: globalquiz.org. Statistics based on 4741 answers in 9 languages »Mongolia riddles » Play Asia quiz and see all the questions.