Riddles for adults - take the quiz

What has keys but can't open locks?

Which of these is not a mammal?

What has a heart that doesn't beat?

How many sides does a hexagon have?

Which planet is known as the "Red Planet"?

Who wrote the novel "Pride and Prejudice"?

7. Which country is known for inventing pizza?

What is the chemical symbol for gold?

What is the largest organ in the human body?

How many bones are in the human body?

Who painted the Mona Lisa?

Which continent is home to the Amazon Rainforest?

What is the capital city of Canada?

Which famous scientist developed the theory of relativity?

What is the chemical symbol for water?

How many time zones are there in the world?

Who wrote the play "Romeo and Juliet"?

What is the largest ocean on Earth?

What is the tallest mountain in the world?

Who painted the "The Starry Night"?

Which country is known for producing tequila?

What is the chemical symbol for iron?

How many players are there on a soccer team?

Who wrote the novel "To Kill a Mockingbird"?

25. What is the largest desert in the world?

What is the capital city of Japan?

Who discovered penicillin?

Which planet is known as the "Giant Planet"?

What is the chemical symbol for silver?

How many colors are there in a rainbow?