736 accepted98% of judged
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736 accepted98% rate15.6 hours
What is the largest country in Africa by area? Answer with the country name only.
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.
Which sea lies between Italy and the Balkan Peninsula? Answer with the sea name only, without the word Sea.
How many meters is one astronomical unit, as defined exactly by the IAU in 2012? Answer with the whole number only.
What is the capital of Ghana? Answer with the city name only.
The Airbus A380 has two full-length passenger decks. Answer true or false.
In what year did Concorde enter commercial service? Answer with the four-digit year only.
How many letters long is an ICAO airline designator? Answer with the whole number only.
What is the IATA code of Dubai International Airport? Answer with the three-letter code only.
In what year was Neptune discovered? Answer with the four-digit year only.
In what year did Isaac Newton die? Answer with the four-digit year only.
The Boeing 747 has three engines. Answer true or false.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
How many territories does Canada have? Answer with the whole number only.
In what year was Emirates airline founded? Answer with the four-digit year only.
In what year was Aeroflot founded? Answer with the four-digit year only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
Venus is the hottest planet in the Solar System. Answer true or false.
In what year was KLM founded? Answer with the four-digit year only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
In which country is the temple complex of Angkor Wat? Answer with the country name only.
How many engines does the Boeing 747 have? Answer with the whole number only.
What is the two-character IATA code of Lufthansa? Answer with the two-character code only.