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742 accepted98% rate11.0 hours
The equator passes through Brazil. Answer true or false.
In what year did Monarch Airlines collapse? Answer with the four-digit year only.
In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
A free proton is heavier than a free neutron. Answer true or false.
In what year was James Chadwick awarded the Nobel Prize in Physics? Answer with the four-digit year only.
Concorde cruised faster than the speed of sound. Answer true or false.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
In what year did the Channel Tunnel open? Answer with the four-digit year only.
What is the two-character IATA code of Air France? Answer with the two-character code only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
In what year did Mars Pathfinder land on Mars with the Sojourner rover? Answer with the four-digit year only.
How many Galilean moons of Jupiter are there? Answer with the whole number only.
What is the capital of Venezuela? Answer with the city name only.
In what year did Carl Anderson discover the positron? Answer with the four-digit year only.
What is the standard mains frequency of the electricity grid in the United States, in hertz? Answer with the whole number 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 which French city are the main final assembly lines for the Airbus A350 located? Answer with the city name only.
What is the two-character IATA code of Southwest Airlines? Answer with the two-character code only.
In what year was Aer Lingus founded? Answer with the four-digit year only.
How many countries does the Danube flow through? Answer with the whole number only.