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15 Challenging Questions
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Question 1 of 15
Which planet has the most moons?
Jupiter
Uranus
Neptune
Saturn
Question 2 of 15
Who wrote the dystopian novel "Brave New World"?
Aldous Huxley
Ray Bradbury
Philip K. Dick
George Orwell
Question 3 of 15
In what year was the euro introduced as physical currency?
1995
2004
2002
1999
Question 4 of 15
What is the SI unit of electric current?
Ampere
Volt
Ohm
Watt
Question 5 of 15
Which chess piece can move only diagonally?
Knight
Bishop
Rook
Queen
Question 6 of 15
Which U.S. president served the shortest term?
Millard Fillmore
Zachary Taylor
James Garfield
William Henry Harrison
Question 7 of 15
What is the most spoken language in the world by native speakers?
Mandarin Chinese
English
Spanish
Hindi
Question 8 of 15
Which country invented paper money?
China
Egypt
Italy
Turkey
Question 9 of 15
Which organ is responsible for filtering blood in the human body?
Liver
Lung
Kidney
Heart
Question 10 of 15
What is the name of the galaxy we live in?
Triangulum
Whirlpool
Andromeda
Milky Way
Question 11 of 15
Which country has the oldest continuously used national flag?
Austria
Denmark
Japan
Sweden
Question 12 of 15
How many squares are there on a standard chessboard?
100
49
64
81
Question 13 of 15
Who was the first woman to win a Nobel Prize?
Ada Lovelace
Dorothy Hodgkin
Rosalind Franklin
Marie Curie
Question 14 of 15
Which ancient civilization built Machu Picchu?
Aztec
Maya
Olmec
Inca
Question 15 of 15
What is the main gas found in the air we breathe?
Nitrogen
Carbon Dioxide
Oxygen
Hydrogen
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