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In what year was Emirates airline founded? Answer with the four-digit year only.
How many US states border Mexico? Answer with the whole number only.
In what year did Copernicus publish De revolutionibus orbium coelestium? Answer with the four-digit year only.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
In what year was Aeroflot founded? Answer with the four-digit year only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
What is the two-character IATA code of Norwegian Air Shuttle? Answer with the two-character code only.
In what year did Alaska Air Group complete its acquisition of Hawaiian Airlines? Answer with the four-digit year only.
What is the exact defined speed of light in vacuum, in meters per second? Answer with the whole number only.
In what year did Stephen Hawking publish his prediction that black holes emit radiation, in Nature? Answer with the four-digit year only.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
What is the two-character IATA code of KLM? Answer with the two-character code only.
What is the largest country in the world by area? Answer with the country name only.
Venus is the hottest planet in the Solar System. Answer true or false.
In what year did Hawaii become a US state? Answer with the four-digit year only.
How many astronauts flew on Apollo 11? Answer with the whole number only.
In what year was KLM founded? Answer with the four-digit year only.
What is the capital of Pakistan? Answer with the city name only.
In what year was CERN founded? Answer with the four-digit year only.
How many countries share a land border with China? Answer with the whole number only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
In what year did Clyde Tombaugh discover Pluto? Answer with the four-digit year only.
How many provinces does Canada have? Answer with the whole number only.
In which country is the temple complex of Angkor Wat? Answer with the country name only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.