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