916 accepted97% rate13.7 hours
916 accepted97% rate13.7 hours
How many players are on a basketball team on the court at once?
Which company makes the Xbox consoles?
In what year was Microsoft founded?
Who invented the World Wide Web?
In what year did the Eurovision Song Contest first take place?
Which organ pumps blood through the human body?
What is the atomic number of carbon?
Which country's flag is a red circle on a white field?
In what year did Amazon.com launch as an online bookstore?
In what year was Twitch launched?
Which physicist discovered radium and polonium with her husband?
Which chemical element has the symbol Pb?
In what year did the first tweet get posted?
Which chemical element has the symbol Cu?
How many degrees are in the interior angles of a triangle in total?
Who was the first emperor of Rome?
On which continent is the Sahara Desert?
Which blood type is the universal donor for red blood cells?
Which is the longest river in South America?
Which gas do plants absorb from the air for photosynthesis?
Which programming language was created by James Gosling at Sun Microsystems?
Which scientist wrote the Principia Mathematica in 1687?
How many millimetres are in a metre?
How many seconds are in an hour?
Which country is home to the Taj Mahal?