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