The most difficult Vietnam riddles A list of Vietnam related questions that are most often answered incorrectly Asia quiz Where is the city known previously as Saigon?At point 1. Ho Chi Minh City is the largest city in Vietnam. Under the name Saigon, it was the capital of the French colony of Cochin-china and later of the independent republic of South Vietnam from 1955–75. very hard 26% at point 1at point 126%at point 2at point 234%at point 3at point 328%at point 4at point 410%Created by: globalquiz.org. Statistics based on 8461 answers in 2 languages »Southeast Asia riddles » Which river flows through Hanoi?Red River. The waters of river are indeed reddish because of the large amounts of red silt. very hard 34% Red RiverRed River34%MekongMekong33%Han RiverHan River22%Kwai RiverKwai River9%Created by: globalquiz.org. Statistics based on 7431 answers in 9 languages »South-Eastern Asia riddles » What religion is the most common in Vietnam?Folk beliefs. Most part of the society (around 45%) follows traditional folk beliefs. Next are Buddhism (around 16%) and Catholicism (around 8%). Pretty big part of Vietnamese consider themself to be an atheists (around 30%).very hard 35% BuddhismBuddhism49%IslamIslam7%CatholicismCatholicism7%folk beliefsfolk beliefs35%Created by: Ninjai. Statistics based on 420 answers in 3 languages »religion riddles » What is the largest city in Vietnam?Ho Chi Minh City . The four largest cities in Vietnam are Ho Chi Minh City (8.2 million), Ha Noi (7.4 million), Hai Phong (1.9 million) and Can Tho (1.2 million).hard 45% Hai PhongHai Phong16%Ho Chi Minh City Ho Chi Minh City 45%Ha NoiHa Noi34%Can ThoCan Tho2%Created by: globalquiz.org. Statistics based on 5671 answers in 3 languages »cities riddles » What is the most common surname in Vietnam?Nguyen. Approximately forty percent of Vietnamese people have this surname. Many events in Vietnamese history contributed to the name's prominence. The Nguyễn Dynasty awarded many people the surname Nguyễn during their rule, and many criminals also changed their surname to Nguyễn to avoid prosecution.hard 48% NguyenNguyen48%TranTran5%LeLe26%PhamPham18%Created by: Sophie Letherman. Statistics based on 8372 answers in 3 languages »surnames riddles » Which number is considered unlucky in East Asia?4. Words "four" and "Death" have very similar pronunciation in Chinese, Vietnamese, Korean and Japanese. In East Asia many buildings do not have a 4th floor. Some high-rise residential buildings omit all floor numbers with "4", e.g., 4, 14, 24, 34 and all 40–49 floors. hard 50% 3320%4450%121222%40406%Created by: Sumit Tamang. Statistics based on 12439 answers in 5 languages »South Korea riddles » What was the previous name of Ho Chi Minh city?Saigon. Immediately after the communist takeover of South Vietnam in 1975, a provisional government renamed the city after Ho Chi Minh. Even today, however, the informal name of Sai Gon remains in daily speech both domestically and internationally.hard 53% HanoiHanoi21%SaigonSaigon53%Hai PhongHai Phong19%Da NangDa Nang4%Created by: Gizem İsmailoğlu. Statistics based on 23194 answers in 2 languages »city names riddles » What sea lies between Vietnam and Philippines?South China Sea is regarded as Asia's most potentially dangerous point of conflict. The Spratly Islands are in the middle of the sea are disputed between Vietnam, China, Taiwan, Brunei, Malaysia, and the Philippines.hard 53% Yellow SeaYellow Sea22%Arafura SeaArafura Sea10%South China SeaSouth China Sea53%Celebes SeaCelebes Sea12%Created by: globalquiz.org. Statistics based on 11231 answers in 9 languages »Philippines riddles » Play Asia quiz and see all the questions.