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All Problems
1 - What is the capital of France?
Paris
London
Berlin
Madrid
2 - How many continents are there?
5
6
7
8
3 - When did the first world war end?
1914
1918
1920
1922
4 - What is the largest mammal?
Elephant
Blue Whale
Giraffe
Hippopotamus
5 - What is the smallest prime number?
0
1
2
3
6 - Which planet is known as the Red Planet?
Earth
Mars
Jupiter
Saturn
7 - What is the boiling point of water?
90°C
95°C
100°C
105°C
8 - Who wrote "To be, or not to be"?
Shakespeare
Hemingway
Dickens
Orwell
9 - What is the speed of light?
299,792,458 m/s
150,000,000 m/s
1,000,000 m/s
300,000 m/s
10 - What is the largest ocean on Earth?
Atlantic
Indian
Southern
Pacific
11 - What is the chemical symbol for water?
H2O
O2
H2
OH
12 - Who painted the Mona Lisa?
Van Gogh
Da Vinci
Picasso
Rembrandt
13 - What is the main ingredient in guacamole?
Tomato
Onion
Avocado
Pepper
14 - What is the capital of Japan?
Beijing
Seoul
Tokyo
Bangkok
15 - Which element has the atomic number 1?
Helium
Oxygen
Hydrogen
Carbon
16 - What is the square root of 64?
6
7
8
9
17 - Who developed the theory of relativity?
Newton
Einstein
Galileo
Bohr
18 - What is the hardest natural substance on Earth?
Gold
Iron
Diamond
Quartz
19 - Which planet is closest to the sun?
Venus
Earth
Mercury
Mars
20 - What is the longest river in the world?
Amazon
Nile
Yangtze
Mississippi
21 - Who is known as the father of computers?
Turing
Babbage
Jobs
Gates
22 - What is the primary language spoken in Brazil?
Spanish
Portuguese
French
English
23 - What is the smallest country in the world?
Monaco
Malta
Vatican City
San Marino
24 - Who wrote "Pride and Prejudice"?
Austen
Bronte
Dickens
Woolf
25 - Which organ purifies our blood?
Heart
Lungs
Kidneys
Liver
26 - What is the currency of Japan?
Yen
Won
Dollar
Euro
27 - Which gas do plants absorb from the atmosphere?
Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
28 - What is the capital of Canada?
Toronto
Vancouver
Ottawa
Montreal
29 - Which planet has the most moons?
Mars
Earth
Jupiter
Saturn
30 - What is the largest bone in the human body?
Skull
Femur
Tibia
Humerus
31 - Who discovered penicillin?
Fleming
Curie
Pasteur
Salk
32 - What is the main gas found in the air we breathe?
Oxygen
Carbon Dioxide
Nitrogen
Helium
33 - What is the chemical symbol for gold?
Gd
Ag
Au
Go
34 - Who is the author of "Harry Potter"?
Tolkien
Rowling
Lewis
Martin
35 - What is the largest planet in our solar system?
Earth
Mars
Jupiter
Saturn
36 - Which country is known as the Land of the Rising Sun?
China
Japan
Korea
Thailand
37 - What is the most abundant gas in Earth’s atmosphere?
Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
38 - Who painted the ceiling of the Sistine Chapel?
Van Gogh
Da Vinci
Picasso
Michelangelo
39 - What is the longest bone in the human body?
Humerus
Femur
Tibia
Fibula
40 - Who was the first President of the United States?
Lincoln
Washington
Jefferson
Adams
41 - Which planet is known for its rings?
Earth
Mars
Saturn
Jupiter
42 - What is the hardest natural substance?
Diamond
Iron
Steel
Titanium
43 - Which is the largest internal organ in the human body?
Heart
Liver
Lungs
Kidneys
44 - What is the capital of Australia?
Sydney
Melbourne
Canberra
Perth
45 - Which vitamin is produced when a person is exposed to sunlight?
Vitamin A
Vitamin B
Vitamin C
Vitamin D
46 - Who wrote "The Odyssey"?
Homer
Virgil
Ovid
Sophocles
47 - Which element is said to keep bones strong?
Iron
Calcium
Magnesium
Sodium
48 - What is the largest desert in the world?
Sahara
Arctic
Gobi
Kalahari
49 - Who is the Greek god of the sea?
Zeus
Hades
Poseidon
Ares
50 - What is the speed of sound?
340 m/s
300 m/s
343 m/s
320 m/s
51 - What is the chemical symbol for potassium?
P
K
Pt
Po
52 - What is the smallest unit of life?
Organ
Cell
Tissue
Organism
53 - Which planet is known as the Morning Star?
Venus
Mars
Jupiter
Saturn
54 - Who invented the telephone?
Edison
Tesla
Bell
Marconi
55 - What is the capital of Italy?
Rome
Venice
Florence
Milan
56 - What is the most widely spoken language in the world?
Spanish
English
Hindi
Mandarin
57 - Who was the first man to step on the moon?
Yuri Gagarin
Buzz Aldrin
Neil Armstrong
Michael Collins
58 - Which country is the largest by area?
Canada
China
Russia
USA
59 - What is the tallest mountain in the world?
K2
Kangchenjunga
Everest
Lhotse
60 - Which blood type is known as the universal donor?
A
B
AB
O
61 - What is the main ingredient in traditional paella?
Chicken
Beef
Rice
Potato
62 - Which country is home to the kangaroo?
India
Australia
South Africa
Canada
63 - What is the largest organ in the human body?
Skin
Liver
Heart
Brain
64 - Which planet is known as the Blue Planet?
Mars
Earth
Jupiter
Neptune
65 - What is the capital of Spain?
Barcelona
Madrid
Seville
Valencia
66 - Which is the smallest continent by land area?
Europe
Australia
Antarctica
South America
67 - What is the hardest rock?
Granite
Marble
Diamond
Quartz
68 - Who wrote "1984"?
Huxley
Orwell
Bradbury
Atwood
69 - What is the primary component of the sun?
Helium
Oxygen
Hydrogen
Carbon
70 - What is the main ingredient in hummus?
Beans
Chickpeas
Lentils
Peas
71 - Which ocean is the smallest?
Atlantic
Pacific
Indian
Arctic
72 - Who was the first woman to fly solo across the Atlantic?
Amelia Earhart
Bessie Coleman
Harriet Quimby
Jacqueline Cochran
73 - Which planet has a day longer than its year?
Mercury
Venus
Earth
Mars
74 - What is the fastest land animal?
Cheetah
Lion
Horse
Tiger
75 - What is the most common gas in the Earth’s atmosphere?
Oxygen
Hydrogen
Carbon Dioxide
Nitrogen
76 - Who discovered America?
Columbus
Vespucci
Magellan
Cook
77 - What is the capital of Germany?
Berlin
Munich
Frankfurt
Hamburg
78 - Who is the author of "The Catcher in the Rye"?
Salinger
Fitzgerald
Hemingway
Steinbeck
79 - What is the smallest ocean?
Atlantic
Indian
Southern
Arctic
80 - What is the primary ingredient in bread?
Rice
Flour
Corn
Oats
81 - Who painted "Starry Night"?
Van Gogh
Picasso
Monet
Rembrandt
82 - What is the main ingredient in tofu?
Soybeans
Chickpeas
Lentils
Peas
83 - What is the capital of Russia?
Moscow
Saint Petersburg
Novosibirsk
Yekaterinburg
84 - Which country is known as the Land of the Midnight Sun?
Sweden
Norway
Finland
Iceland
85 - Who wrote "Hamlet"?
Shakespeare
Marlowe
Jonson
Webster
86 - What is the main gas found in the sun?
Oxygen
Carbon Dioxide
Hydrogen
Nitrogen
87 - Which country is the smallest by land area?
Monaco
Malta
Vatican City
San Marino
88 - What is the capital of China?
Shanghai
Hong Kong
Beijing
Shenzhen
89 - Who invented the lightbulb?
Edison
Tesla
Bell
Franklin
90 - What is the capital of India?
Mumbai
New Delhi
Bangalore
Chennai
91 - Who wrote "Moby Dick"?
Melville
Twain
Hemingway
Poe
92 - What is the main ingredient in borscht?
Potato
Beetroot
Carrot
Cabbage
93 - Which country has the most natural lakes?
USA
Canada
Australia
Russia
94 - What is the largest land animal?
Elephant
Rhino
Hippo
Giraffe
95 - What is the capital of Brazil?
Rio de Janeiro
Sao Paulo
Brasilia
Salvador
96 - What is the chemical symbol for iron?
Fe
Ir
In
I
97 - Which is the hottest planet in our solar system?
Mercury
Venus
Earth
Mars
98 - Who wrote "The Great Gatsby"?
Hemingway
Fitzgerald
Steinbeck
Faulkner
99 - What is the main ingredient in traditional Japanese miso soup?
Rice
Tofu
Seaweed
Miso
100 - What is the largest island in the world?
Greenland
New Guinea
Borneo
Madagascar
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