American professors Ostrom and Williamson won the Nobel Prize 2009 in what field?

• Literary

• Economy (Ostrom và Williamson đoạt giải Nobel Kinh tế)

• Mathematics field

• Chemistry

How many teams participated in the first World Cup?

• 10

• 12

• 13

• 11

When is Vietnam Doctors' Day?

• 27/2/1954

• 17/2/1955

• 27/2/1955

• 7/2/1955

EURO was first held in which country?

• France

• Virtue

• Spain

• Belgium

What subject does the Nobel Prize not award?

• Geography

• Physics

• Art

• Mathematics

Which country is the chair of ASEAN 2021?

• Viet Nam

• Malaysia

• Brunei Darussalam

• Laos

2024 marks how many years of the day Uncle Ho left the country to find a way to save the nation?

• 110 years

• 103 years

• 105 years

• 120 years

Which city is known as the "capital" of Europe?

• Berlin

• Paris

• Brussels

• Barcelona

Which sea has the highest salinity in the world?

• Mediterrenean sea

• Dead sea

• Caribbean sea

• Black sea

In which year was Long Bien Bridge built?

• 1899

• 1889

• 1898

• 1988