Who founded Microsoft with Paul Allen?
What is the square root of 144?
On which continent is the Sahara Desert?
What is the speed of light in a vacuum, in kilometres per second, rounded to the nearest thousand?
Which naturalist wrote On the Origin of Species?
What is the atomic number of carbon?
How many planets are in the Solar System?
Which US state has the city of Miami?
How many seconds are in an hour?
How many bones are in the adult human body?
Which chemical element has the symbol W?
What is the capital city of Tanzania?
How many days are in a leap year?
Which chemical element has the symbol Hg?
Which country is home to the Eiffel Tower?
What is the capital city of New Zealand?
Which planet in the Solar System is the largest?
What is the capital city of Turkey?
What is the capital city of Switzerland?
What is the capital city of Australia?
Which South Korean artist performs 'Gangnam Style', the first YouTube video to reach one billion views?
What is the name of the cat in the 'Keyboard Cat' video?
