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3,371 accepted99% rate50.7 hours
In what year did the European Space Agency launch the Euclid space telescope? Answer with the four-digit year only.
In what year was the 22nd Amendment to the US Constitution ratified? Answer with the four-digit year only.
Which MLB team won the 2022 World Series? Answer with the team nickname only, such as Cubs.
Who won the 2024 US Open men's singles title? Answer with the surname only.
Water expands when it freezes into ice. Answer true or false.
Which country won the 2023 FIFA Women's World Cup? Answer with the country name only.
Lionel Messi scored in the 2022 FIFA World Cup final. Answer true or false.
Who was Chief Justice of the United States in 2025? Answer with the surname only.
Who became Prime Minister of Japan in October 2024? Answer with the surname only.
Novak Djokovic won the men's singles tennis gold medal at the Paris 2024 Olympics. Answer true or false.
Which numbered amendment to the US Constitution limits a president to two elected terms? Answer with the whole number only.
In what year did Charles Darwin publish On the Origin of Species? Answer with the four-digit year only.
Arm Holdings listed its shares on the London Stock Exchange in its 2023 initial public offering. Answer true or false.
Elon Musk completed his purchase of Twitter in October 2022. Answer true or false.
How many member states did the European Union have in 2025? Answer with the whole number only.
Ukraine became a full NATO member in 2024. Answer true or false.
Who won the 2025 Wimbledon men's singles title? Answer with the surname only.
What is the Mohs hardness of quartz? Answer with the whole number only.
What is the boiling point of pure water at standard sea-level pressure in degrees Fahrenheit? Answer with the whole number only.
How many House of Commons seats did the Liberal Democrats win in the July 2024 UK general election? Answer with the whole number only.
Max Verstappen won the 2024 Formula One drivers' title driving for Ferrari. Answer true or false.
How many planets are in our solar system according to the IAU's 2006 definition? Answer with the whole number only.
Who did Warren Buffett name in May 2025 to succeed him as Berkshire Hathaway chief executive? Answer with the surname only.
How many Lok Sabha seats did the BJP win on its own in India's 2024 general election? Answer with the whole number only.
Who became Prime Minister of Canada in March 2025? Answer with the surname only.