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