475 | 75 Challenging General Knowledge Quiz Questions Online
Are you looking for a challenge? Do you think you know everything there is to know about business and finance, currency codes, and more? If so, you’ve come to the right place!
Test your knowledge with this collection of 75 challenging general knowledge quiz questions. This quiz is not for the faint of heart – it’s meant for those who are looking for a real challenge. From questions about business and finance to currency codes and more, you’ll be sure to find something to test your knowledge.
So, if you’re ready to put your knowledge to the test, get ready to answer some of the toughest questions out there. Don’t worry if you don’t get all of the answers right – you can always come back and try again! Good luck!
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- The chemical element Indium was first discovered when?
- 1952
- 1803
- 1863
- 1899
The correct answer is 1863.
In 1863, the German chemists Ferdinand Reich and Hieronymous Richter identified Indium while analyzing a sample of zinc ore. - Who invented the internal combustion engine?
- Nikolaus Otto
- George Stephenson
- Benjamin Franklin
- James Watt
The correct answer is Nikolaus Otto.
The invention of the internal combustion engine is attributed to multiple inventors, with significant contributions from Étienne Lenoir, Alphonse Beau de Rochas, and Nikolaus Otto. However, it was Otto’s four-stroke engine, patented in 1876, that became the basis for most modern internal combustion engines. - The Thar Desert is located where in the world?
- Belgium
- Kazakhstan
- South America
- Southern Asia
The correct answer is Southern Asia.
The Thar Desert is located in the northwestern part of India and the southeastern part of Pakistan in Southern Asia. - The song ‘Why Do Fools Fall in Love was a hit in which year?
- 1956
- 1952
- 1955
- 1953
The correct answer is 1956.
The song ‘Why Do Fools Fall in Love’ by Frankie Lymon & the Teenagers was a popular hit in 1956 and reached #6 on the Billboard Hot 100 chart. - The number 15 is represented by which Roman numerals?
- VIII
- XV
- IX
- II
The correct answer is XV. Did you get it right?
The Roman numeral XV is the representation of the number 15, which is the correct answer. - The Roman emperor Elagabalus reigned during which years?
- AD 79 – 81
- AD 69 – 79
- AD 218 – 222
- AD 180 – 192
The correct answer is AD 218 – 222.
Elagabalus was the Roman Emperor from AD 218 to AD 222, a period of four years. - Which one of the following is a triangular number?
- 7
- 50
- 10
- 12
The correct answer is 10 (1 + 2 + 3 + 4).
The number 10 is a triangular number because it can be expressed as the sum of consecutive integers from 1 to 4. - What is the currency code of Central African Republic?
- RUE
- XAF
- PSS
- SEK
The correct currency code is “XAF”.
The currency code XAF stands for the Central African CFA franc, the official currency of the Central African Republic. - The Magic School Bus by Joanna Cole was published in what year?
- 1986
- 1989
- 1996
- 1983
The correct answer is 1986.
The Magic School Bus by Joanna Cole was first published in 1986, becoming a classic children’s book series that has been enjoyed by generations of readers.
- The patron saint of Denmark is?
- St. Joan of Arc
- St. Canute
- St. George
- St. Patrick
The correct answer is St. Canute.
St. Canute, also known as King Canute the Saint, was a Danish king and martyr who was canonized in the 11th century for his heroic acts of faith and leadership.
- Phalacrophobia is the fear of what?
- disease
- cold
- glass
- becoming bald
The correct answer is becoming bald.
Phalacrophobia is the fear of becoming bald, which is an irrational and intense fear of losing one’s hair or going bald. - Prokofiev’s “Romeo and Juliet” was composed in which year?
- 1878
- 1935
- 1938
- 1942
The correct answer is 1935.
Prokofiev’s Romeo and Juliet was composed in 1935, the same year it was first performed in Moscow, Russia. - Melanophobia is the fear of what?
- numbers
- bees
- the color black
- home surroundings
The correct answer is the color black.
Melanophobia is the fear of the color black, which is an irrational and extreme fear of the color itself or of things associated with it. - Mozart’s “Don Giovanni” was composed in which year?
- 1782
- 1787
- 1832
- 1778
The correct answer is 1787.
Mozart’s opera Don Giovanni was composed in 1787 and is considered one of his greatest works. - The chemical element Titanium was first discovered when?
- 1842
- 1894
- 1803
- 1791
The correct answer is 1791.
Titanium was first discovered in 1791 by the British chemist and mineralogist William Gregor. - Illyngophobia is the fear of what?
- sinning
- veritgo
- snakes
- open spaces
The correct answer is veritgo.
Illyngophobia is the fear of vertigo, an extreme sense of dizziness or disorientation that can be caused by a variety of medical conditions. - The Academy Award winning role played by actor Fredric March; Wallace Beery in the classic movie “Dr. Jekyll and Mr. Hyde; The Champ” was a cahracter called?
- Mr. Morgan
- Kurt Muller
- Dr. Jekyll/Mr. Hyde and The Champ
- August Schilling/Gen. Dolgorucki
The correct answer is Dr. Jekyll/Mr. Hyde and The Champ.
Fredric March won an Academy Award for his dual role as Dr. Jekyll and Mr. Hyde in the classic movie Dr. Jekyll and Mr. Hyde, as well as his role as The Champ in the same film. - Which one of the following is NOT a square number?
- 122
- 121
- 120
- 123
The correct number is 121. Did you get the answer correct?
No, 121 is not a square number. A square number is a number that is the result of multiplying an integer by itself. - Former U.S. President Donald Trump was born in which year?
- 1892
- 1857
- 1916
- 1946
The correct year is 1946.
Donald Trump was born on June 14, 1946 in Queens, New York.
- The Roman emperor Caracalla reigned during which years?
- AD 69
- AD 211 – 217
- AD 81 – 96
- AD 68 – 69
The correct answer is AD 211 – 217.
Caracalla was the Roman Emperor from AD 211 to AD 217, ruling for a period of six years.
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- Wimbledon Tube Station is located on which London Underground line?
- District Line
- Bakerloo Line
- Thameslink Route
- Central Line
The correct answer is District Line.
Wimbledon Tube Station is located on the District Line of the London Underground. - Which English monarch reigned 1216-1272 and died 1272?
- Edward IV
- Henry III
- Edward III
- Henry VIII
The correcr answer is Henry III.
Henry III was the English monarch who reigned from 1216 to 1272 and died in 1272. He was the son of King John and is remembered for his reforms to the English legal system and his patronage of the arts. - Merinthophobia is the fear of what?
- glass
- germs
- things to the left side of the body
- being bound
The correct answer is being bound.
Merinthophobia is the fear of being physically restrained, either through the use of physical objects such as ropes, chains, or handcuffs, or through the use of psychological pressure or coercion. - The Vietnam War was fought between which dates?
- 2003-2011
- 1789-1799
- 1337-1453
- 1955-1975
The correct answer is 1955-1975.
The Vietnam War was a protracted conflict between North and South Vietnam, supported by their respective allies, which lasted from 1955 to 1975.
- Joe Louis became World Champion in which year?
- 1945
- 1937
- 1931
- 1941
The correct answer is 1937.
Joe Louis was crowned the World Heavyweight Boxing Champion in 1937 after a successful career in the ring that spanned over a decade. - Forfar is located in which part of the U.K.?
- Wales
- Scotland
- Northern Ireland
- England
The correct answer is Scotland.
Forfar is a town located in the eastern part of Scotland, in the region of Angus. - The patron saint of Philippines is?
- Our Lady of Altagracia
- Our Lady of Chiquinquirá
- St. Andrew
- Our Lady of Peace and Good Voyage
The correct answer is Our Lady of Peace and Good Voyage.
Our Lady of Peace and Good Voyage is a Catholic title for the Virgin Mary, venerated as the patron saint of the Philippines. - Former U.S. President Martin Van Buren was born in which year?
- 1782
- 1829
- 1853
- 1783
The correct year is 1782.
Martin Van Buren was born in 1782 in Kinderhook, New York, making him the first U.S. president to be born after the American Revolution. - The 1962 World Cup was played where?
- Russia
- Spain
- Qatar
- Chile
The correct answer is Chile.
The 1962 World Cup was hosted by Chile, a South American country located on the western side of the continent.
- The atomic weight of Seaborgium is what?
- 79.904
- 266
- 223
- 261
The correct answer is 266.
Seaborgium is a synthetic element with an atomic weight of 266, meaning that it has 266 protons in the nucleus of its atoms.
- Meningitophobia is the fear of what?
- brain disease
- returning home
- myths
- movement
The correct answer is brain disease.
Meningitophobia is the fear of brain disease, which is a serious infection of the protective membranes that cover the brain and spinal cord. - The chemical element Seaborgium was first discovered when?
- 1802
- 1974
- 1830
- 1901
The correct answer is 1974.
Seaborgium, named after Nobel Prize winning chemist Glenn T. Seaborg, was first synthesized in 1974 by a team of scientists at the Joint Institute for Nuclear Research in Dubna, Russia and Lawrence Berkeley National Laboratory in California. - Florence was severely flooded in what year?
- 1932
- 1964
- 1956
- 1966
The correct year was 1966. Did you get this one right?
The city of Florence, Italy experienced a severe flood in 1966, resulting in widespread damage to the city and its historic landmarks. - Pentheraphobia is the fear of what?
- smothering
- germs
- spirits
- mother-in-law
The correct answer is mother-in-law.
Pentheraphobia is the fear of having an overbearing or intrusive mother-in-law, which can cause anxiety and distress. - Which one of these numbers is NOT a factor of 35?
- 1
- 7
- 35
- 5
The correct answer is 1. Did you get this tricky quiz right?
1 is not a factor of 35 because it is not a number that can be multiplied by any other number to produce 35. - Nosocomephobia is the fear of what?
- small things
- getting wrinkles
- hospitals
- rooms
The correct answer is hospitals.
Nosocomephobia is an intense fear of hospitals and the medical procedures that take place within them, such as surgery or other treatments. - Rhabdophobia is the fear of what?
- swallowing
- being severely punished
- water
- loud noises
The correct answer is being severely punished.
Rhabdophobia is an irrational fear of being severely punished, typically through physical means such as a beating or whipping. - Holland Park Tube Station is located on which London Underground line?
- Central Line
- Harvey Street Line
- Paddington Line
- Middle Line
The correct answer is Central Line.
Holland Park Tube Station is located on the Central Line, which is one of the major lines of the London Underground system. - Debussy’s “Clair de Lune” was composed in which year?
- 1892
- 1904
- 1891
- 1890
The correct answer is 1890.
Debussy’s iconic composition “Clair de Lune” was written in 1890 and is considered one of the most influential works of the Impressionist era.
- Which racing driver won the 2003 Formula One World Championship?
- Michael Schumacher (Germany)
- Jochen Rindt (Austria)
- Kimi Raikkonen (Finland)
- Phil Hill (USA)
The correct answer is Michael Schumacher (Germany).
Michael Schumacher, a German racing driver, won the 2003 Formula One World Championship, becoming the first driver in history to win six world championships.
- The Roman numeral DCLXXX is represented by which Arabic number?
- 458
- 680
- 2000
- 2004
The correct answer is 680. Did you get it right?
The Roman numeral DCLXXX is equivalent to 680 in Arabic numerals, which is the sum of 500, 100, 50, 20, 5, and 5. - West Ruislip Tube Station is located on which London Underground line?
- Central Line
- Metropolitan Line
- Greater Anglia Line
- Northern Line
The correct answer is Central Line.
West Ruislip Tube Station is located on the Central Line of the London Underground, which is a major transport line in the city. - Kainolophobia is the fear of what?
- lice
- bees
- lakes
- novelty
The correct answer is novelty.
Kainolophobia is the fear of unfamiliar or new experiences, such as changes in routine or trying something new. - The atomic weight of Plutonium is what?
- 244
- 106.42
- 127.6
- 30.974
The correct answer is 244.
The atomic weight of Plutonium is 244, which is the average mass of all the atoms in a sample of the element, taking into account the relative abundance of each isotope.
- Which racing driver won the 1950 Formula One World Championship?
- Nino Farina (Italy)
- Alain Prost (France)
- Jack Brabham (Australia)
- Denny Hulme (New Zealand)
The correct answer is Nino Farina (Italy).
Nino Farina, an Italian racing driver, won the inaugural Formula One World Championship in 1950. - Which English monarch reigned 1154-1189 and died 1189?
- William II
- Henry II
- Henry VI
- Henry VII
The correcr answer is Henry II.
Henry II was an English monarch who reigned from 1154 to 1189, when he died in 1189. He was the first of the Plantagenet dynasty, and was known for his administrative and legal reforms. - Spermophobia is the fear of what?
- germs
- fish
- road travel
- fog
The correct answer is germs.
Spermophobia is the fear of germs, which are microscopic organisms that can cause illness, infection, and other health problems. - What is the currency code of Venezuela?
- RUE
- AOA
- AED
- VEF
The correct currency code is “VEF”.
VEF stands for “Venezolano de Fuerte,” which is the official currency of Venezuela. It is a bolivar-based currency and is divided into 100 céntimos. - Iris flower and Eastern Box Turtle are both symbols of which U.S. states?
- Alaska
- Iowa
- Tennessee
- South Carolina
The correct answer is Tennessee.
The iris flower and the Eastern box turtle are both symbols of Tennessee, representing the state’s natural beauty and its unique wildlife.
- What is the currency code of Vanuatu?
- SRA
- VUV
- DSU
- LYD
The correct currency code is “VUV”.
Vanuatu’s official currency is the Vanuatu Vatu, which is denoted by the currency code VUV.
- United Kingdom (GMT) and South Africa (SAST) have how much time difference between them (excluding DST)?
- 9 hours ahead
- 4 hours ahead
- 11 hours ahead
- 2 hours ahead
The correct answer is 2 hours ahead.
The time difference between the United Kingdom (GMT) and South Africa (SAST) is 2 hours, meaning South Africa is 2 hours ahead of the United Kingdom in terms of local time. - The first commercial opera house opened in which year?
- 1637
- 1639
- 1651
- 1643
The correct answer is 1637.
In 1637, the first commercial opera house opened in Venice, Italy, marking the start of the opera as a public entertainment. - Somniphobia is the fear of what?
- worms
- mercurial medicines
- sleep
- daylight
The correct answer is sleep.
Somniphobia is the fear of an intense and irrational fear of sleep that may lead to avoidance of sleep or insomnia. - Pharmacophobia is the fear of what?
- school
- wines
- music
- drugs
The correct answer is drugs.
Pharmacophobia is an irrational fear of drugs and medications, characterized by an extreme avoidance of taking medication due to fear of potential side effects or addiction. - Parturiphobia is the fear of what?
- philosophy
- pain
- childbirth
- going to the doctor
The correct answer is childbirth.
Parturiphobia is a specific type of phobia that involves an intense fear of childbirth, which can cause severe anxiety and distress. - Which racing driver won the 1965 Formula One World Championship?
- Niki Lauda (Austria)
- Mike Hawthorn (UK)
- Jim Clark (UK)
- Emerson Fittipaldi (Brazil)
The correct answer is Jim Clark (UK).
Jim Clark was a Scottish racing driver who won the 1965 Formula One World Championship, becoming the first British driver to do so. - Peladophobia is the fear of what?
- height
- bald people
- mushrooms
- parasites
The correct answer is bald people.
Peladophobia is an irrational fear of bald people, typically characterized by feelings of anxiety when faced with or even thinking about the idea of being bald. - High Barnet Tube Station is located on which London Underground line?
- District Line
- Northern Line
- Jubilee Line
- North Wales Coast Line
The correct answer is Northern Line.
High Barnet Tube Station is located on the Northern Line of the London Underground, which is a deep-level railway line running from Morden in the south to High Barnet and Edgware in the north. - Upminster Tube Station is located on which London Underground line?
- District Line
- North Wales Coast Line
- Paddington Line
- Central Line
The correct answer is District Line.
Upminster Tube Station is located on the District Line of the London Underground, which is one of the eleven lines of the London Underground network.
- Ponophobia is the fear of what?
- lawsuits
- metal
- disease
- overworking
The correct answer is overworking.
Ponophobia is the fear of overworking, which is an intense fear of working too much and feeling overwhelmed by the amount of work one has to do.
- In what year did Alaska become the 49th state of America?
- 1938
- 1980
- 1959
- 1955
The correct answer is 1959.
1959 marked the year when Alaska officially joined the United States of America as the 49th state, becoming the first state to join the union since the admission of Hawaii in 1959. - Southgate Tube Station is located on which London Underground line?
- Circle Line
- Jubilee Line
- Piccadilly Line
- Avanti West Line
The correct answer is Piccadilly Line.
Southgate Tube Station is located on the Piccadilly Line of the London Underground, which is one of the 11 major lines in the network. - Mornington Crescent Tube Station is located on which London Underground line?
- Southern Line
- Cross Country Line
- Northern Line
- Paddington Line
The correct answer is Northern Line.
Mornington Crescent Tube Station is located on the Northern Line of the London Underground, which is a major underground railway line running through London. - To which monophyletic order does a Chimpanzee (Pan troglodytes) belong?
- Annelid
- Cnidarian
- Primates
- Artiodactyla
The correct answer is Primates.
Chimpanzees belong to the order Primates, which is a group of mammals characterized by their large brains, forward-facing eyes, and grasping hands.
- In what year did the US enter WW1?
- 1927
- 1924
- 1902
- 1917
The correct year was 1917. Did you get this one right?
The United States entered World War I in 1917, joining the Allied forces in the fight against the Central Powers. - Wood Violet flower and Badger are both symbols of which U.S. states?
- Delaware
- Kansas
- Wisconsin
- Utah
The correct answer is Wisconsin.
Wood Violets are the state flower of Wisconsin, and Badgers are the state animal. - The Academy Award winning role played by actor Paul Muni in the classic movie “The Story of Louis Pasteur” was a cahracter called?
- Peter Goodwin
- Anthony John
- Louis Pasteur
- Jeff Hartnett
The correct answer is Louis Pasteur.
Paul Muni played the eponymous role of Louis Pasteur, a French scientist who revolutionized the field of microbiology and developed the process of pasteurization. - Which country won the 1986 FIFA World Cup?
- Germany
- Argentina
- Mexico
- England
The correct answer is Argentina.
Argentina won the 1986 FIFA World Cup after defeating West Germany in the final match, making it the second time the country had won the tournament. - What is the currency code of Uganda?
- UGX
- TDB
- LEG
- XOF
The correct currency code is “UGX”.
This stands for Uganda Shilling, the official currency of Uganda.
- What is the currency code of Croatia?
- CRO
- EUR
- RUE
- LLS
The correct currency code is “EUR”.
Croatia is part of the European Union and its currency is the Euro, which is denoted by the currency code EUR.
- “For all have sinned and fall short of the glory of God.” is from which passage in the Bible?
- Matthew 22:37
- Proverbs 3:5
- John 14:6
- Romans 3:23
The correct answer is Romans 3:23.
Romans 3:23 states that all humans are inherently sinful and fall short of God’s glory, meaning that no one is perfect and all fall short of God’s standards. - The actor Thomas Mitchell won an Academy Award for Best Suporting Actor in which movie?
- The Philadelphia Story
- A Streetcar Named Desire
- Stagecoach
- It Happened One Night
The correct answer is Stagecoach.
Thomas Mitchell won an Academy Award for Best Supporting Actor for his performance in the 1939 western classic, “Stagecoach”. - Hubert H. Humphrey was the U.S. Vice President in which years?
- 1913-1921
- 1949-1953
- 1933-1941
- 1965-1969
The correct answer is 1965-1969.
Hubert H. Humphrey served as the 38th Vice President of the United States from 1965 to 1969 under President Lyndon B. Johnson. - Blackfriars Tube Station is located on which London Underground line?
- Bakerloo Line
- Piccadilly Line
- Circle Line
- Thameslink Route
The correct answer is Circle Line.
Blackfriars Tube Station is located on the Circle Line, a loop line that runs through the centre of London. - What is the currency code of Saudi Arabia?
- FDC
- TZS
- DWK
- SAR
The correct currency code is “SAR”.
The Saudi Riyal (SAR) is the official currency of Saudi Arabia, used for all financial transactions in the country.