by alex
Prepare yourself for a mental marathon as you face some of the most challenging questions ever compiled. Whether you’re a trivia master or just looking for a formidable test of your knowledge, this quiz is designed to push your limits and expand your horizons. Dive in and see if you can conquer the hardest questions quiz has to offer. Good luck!
Hardest Questions Quiz Questions Overview
1. What is the only element that has a chemical symbol with two letters that are not in its English name?
Gold
Lead
Mercury
Tin
2. Which planet has the most moons?
Earth
Mars
Jupiter
Saturn
3. What is the hardest natural substance on Earth?
Gold
Diamond
Quartz
Graphite
4. Which country has the longest coastline in the world?
Australia
Canada
Russia
United States
5. What is the rarest blood type in the world?
A+
B-
AB-
O+
6. What is the capital city of Australia?
Sydney
Melbourne
Canberra
Brisbane
7. Which element has the highest melting point?
Iron
Tungsten
Platinum
Carbon
8. What is the largest organ in the human body?
Liver
Brain
Skin
Heart
9. Which language has the most native speakers worldwide?
English
Spanish
Hindi
Mandarin Chinese
10. Which scientist developed the theory of general relativity?
Isaac Newton
Albert Einstein
Niels Bohr
Galileo Galilei
