Geography
Science
English Riddles
History
Maths
100
Which mountain range (山脈) is the longest in the world?
Andes Mountains (アンデス山脈)
100
How many bones are in the adult human body?
208
100
David's father has three sons: North, South, East and _____?
David
100
Which river was central to ancient Egypt (エジプトの文明)?
Nile river (ナイル川)
100
3x-4y=2
-3x+5y=5
solve for X and Y.
x = 10 y = 7
200
What is the hottest desert in the world?
Sahara desert
200
What is the 8th element of the periodic table (元素期)
Oxygen (酸素)
200
The more you take, the more you leave behind. What am I?
Footsteps (足跡)
200
When did the great depression (世界恐慌) happen?
1929
200
ア= 110
イ= 80
300
What is the longest river in Asia?
Yangtze River (長江) 
300
What is the chemical formula (化学式) of magnesium oxide (酸化マグネシウム)
MgO
300
I have a mouth but never speak. I have a bed but never sleep. I run but never walk. What am I?
A river
300
Which was the first republic to declare independence (独立) from the Soviet Union (ソ連)?
- A: Ukraine（ウクライナ）
- B: Kazakhstan（カザフスタン）
- C: Lithuania (リトアニア)
- D: Estonia
- E: Russia
Lithuania (リトアニア)
300
40 students helped to sell packets of peanuts at a school carnival. Each student was given 6 packets of peanuts to sell. Some students did not show up, so each student had to sell 2 more packets of peanuts to meet the required sales. How many students did not show up?
A: 5 people
B: 7 people
C: 10 people
D: 12 people
C: 10 people.
400
How many people live in Tokyo? Metropolitan(都市圏) *NOT* included. (Closest wins)
14,270,748 People
400
What is the only mammal (哺乳類) that can fly?
Bats
400
What has cities but no houses, forests but no trees, and rivers but no water?
A map
400
How old was Queen Elizabeth II(エリザベス ２世) when she became the queen of England? (Closest answer wins)
25 years old
400
At first, John had some money. He spent 1/4 of it on a T-shirt and 2/5 of the remainder on a pair of shoes. After that, his parents gave him $120. The ratio of the total amount of money he had at the end to the amount of the money he had at first was 5 : 4.
How much did John have at first?
A: $150
B: $200
C: $250
D: $500
A: $150
500
Which country has the most amount of islands?
Bonus: Guess the amount of islands that this country has (closest wins)
Sweden (267,570 islands)
500
How many bones do sharks have? (Closest answer wins)
0
500
I have keys, but no locks and space, and no rooms. You can enter, but you can’t go outside. What am I?
A keyboard
500
What was the name of the Byzantine Empire (ビザンツ帝国)'s capital?
- A: Constantinople コンスタンティノポリス
- B: Skopje スコピエ
- C: Istanbul イスタンブール
- D: Athens アテネ
A: Constantinople コンスタンティノポリス
500
In the final year examination, Akari sat for a total of 5 papers based on 5 different subjects. Her best subject was Mathematics, followed by Mother Tongue, Science, Social Studies and English. Akari obtained the sum of the scores of 2 subjects. The following are all the possible sums: 157, 163, 166, 170, 171, 173, 178, 179, 184, 187 What score did Janet obtain for her Science paper?
88/100