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545 accepted99% rate6.9 hours
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.
In what year did the Channel Tunnel open? Answer with the four-digit year only.
Buzz Aldrin was the first person to step onto the Moon. Answer true or false.
In what year did Roger Penrose, Reinhard Genzel and Andrea Ghez share the Nobel Prize in Physics? Answer with the four-digit year only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
Which planet did William Herschel discover in 1781? Answer with the name only.
In what year did Mars Pathfinder land on Mars with the Sojourner rover? Answer with the four-digit year only.
What is the capital of Venezuela? Answer with the city name only.
How many Galilean moons of Jupiter are there? Answer with the whole number only.
In what year did Carl Anderson discover the positron? Answer with the four-digit year only.
What is the two-character IATA code of Aeroflot? Answer with the two-character code only.
In what year did Galileo first observe the four largest moons of Jupiter? Answer with the four-digit year only.
In what year was sovereignty over Hong Kong transferred from the United Kingdom to China? Answer with the four-digit year only.
In what year was the first Bose-Einstein condensate produced in a laboratory? Answer with the four-digit year only.
In what year did Georg Ohm publish the law relating voltage, current and resistance? Answer with the four-digit year only.
What is the two-character IATA code of Southwest Airlines? Answer with the two-character code only.
How many stages did the Saturn V rocket have? Answer with the whole number only.
How many countries does the Danube flow through? Answer with the whole number only.
In what year did STS-1, the first Space Shuttle mission, launch? Answer with the four-digit year only.
In what year did Paul Dirac and Erwin Schrodinger share the Nobel Prize in Physics? Answer with the four-digit year only.
How many characters long is an IATA airport code? Answer with the whole number only.
What is the atomic number of plutonium? Answer with the whole number only.
Since 2022, Boeing's global headquarters has been in which Virginia city? Answer with the city name only.
Who was the command module pilot of Apollo 11, who stayed in lunar orbit? Answer with the surname only.
Canada has the longest coastline of any country. Answer true or false.