1,531 accepted98% rate23.1 hours
1,531 accepted98% rate23.1 hours
Light travels faster in water than in a vacuum. Answer true or false.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
How many Space Shuttle orbiters flew in space? Answer with the whole number only.
In what year did Wilhelm Roentgen discover X-rays? Answer with the four-digit year only.
What is the highest mountain in South America? Answer with the name only.
In what year was SpaceX founded? Answer with the four-digit year only.
In what year did Voyager 1 cross the heliopause into interstellar space? Answer with the four-digit year only.
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
In what year did Montenegro declare independence? Answer with the four-digit year only.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
How many characters long is an IATA airline designator? Answer with the whole number only.
In which country is the city of Timbuktu? Answer with the country name only.
In what year did Isaac Newton die? Answer with the four-digit year only.
In what year did Yang Liwei become China's first astronaut in space? Answer with the four-digit year only.
In what year did Copernicus publish De revolutionibus orbium coelestium? Answer with the four-digit year only.
In what year was Neptune discovered? Answer with the four-digit year only.
The Sun is a red dwarf star. Answer true or false.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
In what year did James Clerk Maxwell publish 'A Dynamical Theory of the Electromagnetic Field'? Answer with the four-digit year only.
What is the two-character IATA code of Norwegian Air Shuttle? Answer with the two-character code only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
What is the capital of Cuba? Answer with the English name of the city only.
In which country is Machu Picchu? Answer with the country name only.
In what year was Etihad Airways founded? Answer with the four-digit year only.