50+ Uniquely Hard Trivia Questions and Answers Only for Genius

Hard trivia questions and answers are the best things ever. Usually, answering these brief inquiries doesn’t call for a lot of expertise.

Do you still recall all the details of World War One? Or perhaps you created a scientific model that was awarded first place at a science fair. Or, like Bhutan and New Zealand, did you learn every nation on earth by heart? Then we are certain that you will like this challenging trivia that was developed only for youngsters! Setting a time restriction makes it even more entertaining to watch your friends and family race to answer the trickiest trivia questions about science, geography, war, and other topics as the stopwatch ticks down the remaining seconds.

You’ve come to the perfect place if you want to practice your general knowledge with some entertaining trivia questions. This page has a selection of challenging trivia tests that will put your knowledge of the outside world to the test.

Hard Trivia Questions and Answers

How old is our solar system?

Answer: 4.57 billion years old

What is the highest mountain ever discovered?

Answer: Olympus Mons

What celestial object was identified as being spiral?

Answer: M88

How wide is The Milky Way galaxy?

Answer: 105,700 light-years wide

How many moons are currently orbiting Jupiter?

Answer: 79

The United States is larger than what planet?

Answer: Pluto

How many stars are in the Milky Way galaxy?

Answer: 100,000 million stars

What’s the temperature of the hottest planet in the solar system?

Answer: 450 degrees Celsius

In which year America was declared independent from England?

Answer: 1776

Which President has been given credit for abolishing slavery in the USA?

Answer: Abraham Lincoln

Which European is given the credit for reaching North America first?

Answer: Christopher Columbus

Which country gifted the famous Statue of Liberty?

Answer: France

Which English monarch had the second-longest reign, only after Queen Elizabeth II?

Answer: Queen Victoria

When is World Literacy Day celebrated?

Answer: September 8

What is the day after Christmas called?

Answer: Boxing Day

Where was Frida Kahlo born?

Answer: Mexico

Who is the painter of the painting shown in the picture below?

Answer: Pablo Picasso

When is International Women’s Day observed?

Answer: March 8

Which company makes the Galaxy series of smartphones?

Answer: Samsung

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What do the mycologists study?

Answer: Mushroom

What is the name of the person credited with creating the world’s first car?

Answer: Karl Benz

Which force attracts everything towards the earth?

Answer: Gravity

Who was the first person to step on the moon?

Answer: Neil Armstrong

How long does Mercury take to revolve around the sun?

Answer: 88 days

Which planet is the farthest to the sun?

Answer: Neptune

Hard Trivia Questions and Answers for Adults

Which is the hottest planet in the Solar System?

Answer: Venus

Who is the inventor of the Steam Engine?

Answer: James Watt

What is the scientific name of Marsh gas?

Answer: Methane

What is the chemical name of the Vermillion used by most Indian women?

Answer: Mercuric Sulphide

Who was the founder of the cause of Beri Beri?

Answer: Eijkman

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The study of ultrasound imaging is known as?

Answer: Sonography

Which instrument detects the presence of an electric charge?

Answer: Electroscope

What is the scale of the Richter scale?

Answer: 0 to 9

Which technique is used by bats to fly in the dark?

Answer: Echolocation

What is the technical term for a lie detector?

Answer: Polygraph

Which vitamin can be obtained from sunlight?

Answer: Vitamin D

How many permanent teeth do dogs have?

Answer: 42

Hard Trivia Questions and Answers Multiple Choice

How many hearts does an octopus have?

1. 3
2. 5
3. 8

Which planet in the solar system is considered the most beautiful planet?

1. Neptune
2. Saturn
3. Pluto

Which metal is the most reactive?

1. Potassium
2. Calcium
3. Mercury

How many sides are there on a dice?

1. Six
2. Eight
3. Ten

Which continent has the greatest number of countries?

1. Asia
2. Africa
3. Australia

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How many soccer players should each team have on the field at the beginning of each game?

1. Ten
2. Eleven
3. Thirteen

Which country’s parliament is known as Duma?

1. France
2. Iran
3. Russia

When did the Microsoft XP operating system released?

1. 1998
2. 2000
3. 2001

Which company did Michael Jordan promote during his career?

1. Nike
2. Adidas
3. Polo

Which sport has the legend, Babe Ruth?

1. Basketball
2. Football
3. Baseball

Hard Trivia Questions and Answers for seniors

How many U.S. states border the Gulf of Mexico?

Answer: Five

Which country has more tractors per capita, Canada, Iceland, or Japan?

Answer: Iceland

Who averaged one patent for every three weeks of his life?

Answer: Thomas Edison

What continent is cut into two fairly equal halves by the Tropic of Capricorn?

Answer: Australia

What nation was bounced from the Organization of American States in 1962?

Answer: Cuba

What continent has the fewest flowering plants?

Answer: Antarctica

What is the least popular month for U.S. weddings?

Answer: January

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What was the first organ successfully transplanted from a cadaver to a live person?

Answer: A kidney

What’s the largest and densest of the four rocky planets?

Answer: Earth

How many days does a cat usually stay in heat?

Answer: Five

What was the first planet to be discovered using the telescope, in 1781?

Answer: Uranus

Who was billed as the “Killer of Custer” in Buffalo Bill’s Wild West Show?

Answer: Sitting Bull