Geography
Logic
History
Math
100

How many time zones are there in Russia?

11 time zones

100

What has keys but can't open locks?

A piano.

100

Who is the first President of Vietnam?

Ho Chi Minh is the first President of Vietnam

100

When is 5 plus 3 equal to 8?

When you add 5 and 3 together.

200

How many continents are there on Earth?

7 continents

200

What comes once in a minute, twice in a moment, but never in a thousand years?

The letter "M."

200

Who is the last emperor of Vietnam?

Bao Dai is the last emperor of Vietnam.

200

When does 2 times 4 equal 8?

When you multiply 2 by 4.

300

How many ethnic groups are there in Vietnam?

54 ethnic groups 

300

What has one head, one foot, and four legs?

A bed

300

Who is the founder of the Viet Minh?

Ho Chi Minh is the founder of the Viet Minh.

400

How many oceans are there on Earth?

5 oceans

400

What can travel around the world while staying in the corner?

A stamp.

400

Who is the king of Vietnam in the Ly dynasty?

Lý Thái Tổ is the king of Vietnam in the Ly dynasty.

500

How many states are in the United States of America?

50 states.

500

What has a neck but no head?

A bottle

500

Who is the emperor of Vietnam during the Nguyen dynasty?

Gia Long is the emperor of Vietnam during the Nguyen dynasty.

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