1,022 accepted95% rate19.5 hours
1,022 accepted95% rate19.5 hours
In what year was Sputnik 1 launched? Answer with the four-digit year only.
Airport code ICN belongs to the main international airport of which city? Answer with the city name only.
What is the name of NASA's program to return astronauts to the Moon, named after Apollo's twin sister? Answer with the name only.
How many federal states (Lander) does Germany have? Answer with the whole number only.
What was the name of the helicopter that flew on Mars in 2021? Answer with the name only.
What was the call sign of the Apollo 11 lunar module? Answer with the name only.
What is the world's largest island that is not a continent? Answer with the name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
Which airline flew the first commercial Airbus A380 service, in 2007? Answer with the airline name only.
What is the SI unit of pressure? Answer with the unit name only, in lowercase.
In what year did the Obninsk plant in the Soviet Union become the first nuclear power station to supply an electricity grid? Answer with the four-digit year only.
Emirates is headquartered in Abu Dhabi. Answer true or false.
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
What is the SI unit of power? Answer with the unit name only, in lowercase.
What is the capital of Portugal? Answer with the English name of the city only.
What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.
What is the largest island in the Mediterranean Sea? Answer with the name only.
What is the IATA code of Washington Dulles International Airport? Answer with the three-letter code only.
In what year did Galileo publish his 'Dialogue Concerning the Two Chief World Systems'? Answer with the four-digit year only.
Switzerland is a member of the European Union. Answer true or false.
How many countries share a land border with Brazil? Answer with the whole number only.
who won the nba finals in 2025?
Who is the actor who has won the most Oscars?