Which is the hardest substance available on earth?

Which is the biggest desert in the world?

Which country gifted The Statue of Liberty to the United States?

What is the name of the Greek God of music?

Who is the founder of Microsoft?

Which two parts of the body continue to grow for your entire life?

Who discovered electricity?

What do you call a type of shape that has five sides?

What does the internet prefix WWW stand for?

Who invented the telephone?

Who painted the Mona Lisa?

Which country is home to the kangaroo?

How many years are there in a millennium?

How many strings does a violin have?

Which is the largest country in the world?

How many years are there in a century?

Which is the largest ocean in the world?

Which is the most sensitive organ in our body?

Which planet is known as the Red Planet?

Which continent is known as the "Dark" continent?

What is the standard taste of water?

How many weeks are there in one year?

How many hours are there in two days?

In which direction does the sun rise?

What type of bird lays the largest egg?

What is the top colour in a rainbow?

What do you call a house made of ice?

How many consonants are there in the English alphabet?

Which is the principal source of energy for earth?