1,305 accepted96% rate26.3 hours
1,305 accepted96% rate26.3 hours
Airport code FCO belongs to the main international airport of which city? Answer with the city name only.
What is the largest freshwater lake in the world by surface area? Answer with the lake name only, without the word Lake.
What is the longest river in Asia? Answer with the English river name only, without the word River.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
What is the SI unit of electrical resistance? Answer with the unit name only, in lowercase.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
What is the capital of Nigeria? Answer with the city name only.
How many neutrons are in the nucleus of carbon-12? Answer with the whole number only.
What is the largest country in Africa by area? Answer with the country name only.
Gamma rays have a higher frequency than radio waves. Answer true or false.
How many hexagonal segments make up the James Webb Space Telescope's primary mirror? Answer with the whole number only.
Light travels faster in water than in a vacuum. Answer true or false.
What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
How many meters is one astronomical unit, as defined exactly by the IAU in 2012? Answer with the whole number only.
How many Space Shuttle orbiters flew in space? Answer with the whole number only.
What is the capital of Ghana? Answer with the city name only.
KLM is the flag carrier of Belgium. Answer true or false.
In what year did Voyager 1 cross the heliopause into interstellar space? Answer with the four-digit year only.
In what year did Montenegro declare independence? Answer with the four-digit year only.
In what year did Concorde enter commercial service? Answer with the four-digit year only.
How many characters long is an IATA airline designator? Answer with the whole number only.
How many letters long is an ICAO airline designator? Answer with the whole number only.
In what year did Yang Liwei become China's first astronaut in space? Answer with the four-digit year only.
The Large Hadron Collider ring is about how many kilometers in circumference? Answer with the whole number rounded to the nearest kilometer.