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