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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"?
Aldous Huxley
George Orwell
Ray Bradbury
Philip K. Dick
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
Ohm
Ampere
Question 5 of 15
Which chess piece can move only diagonally?
Bishop
Queen
Knight
Rook
Question 6 of 15
Which U.S. president served the shortest term?
William Henry Harrison
Zachary Taylor
James Garfield
Millard Fillmore
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?
Egypt
Turkey
China
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?
Triangulum
Andromeda
Milky Way
Whirlpool
Question 11 of 15
Which country has the oldest continuously used national flag?
Denmark
Austria
Japan
Sweden
Question 12 of 15
How many squares are there on a standard chessboard?
64
100
49
81
Question 13 of 15
Who was the first woman to win a Nobel Prize?
Ada Lovelace
Marie Curie
Rosalind Franklin
Dorothy Hodgkin
Question 14 of 15
Which ancient civilization built Machu Picchu?
Inca
Olmec
Maya
Aztec
Question 15 of 15
What is the main gas found in the air we breathe?
Oxygen
Carbon Dioxide
Hydrogen
Nitrogen
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