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1,926 accepted97% rate38.5 hours
Wimbledon is played on clay courts. Answer true or false.
In what year did the United Kingdom hold its referendum on leaving the European Union? Answer with the four-digit year only.
How many ossicles (small bones) are in each human middle ear? Answer with the whole number only.
In what year was Northern Ireland's Good Friday Agreement signed? Answer with the four-digit year only.
How many federal states (Lander) does Germany have? Answer with the whole number only.
The Kansas City Chiefs won Super Bowl LIX. Answer true or false.
To which country did Bashar al-Assad flee after his government fell in December 2024? Answer with the country name only.
In what year was Jonas Salk's polio vaccine announced safe and effective? Answer with the four-digit year only.
Which country won the 2023 Rugby World Cup? Answer with the country name only.
In what year did Watson and Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
In what year will Halley's Comet next reach perihelion? Answer with the four-digit year only.
Humans normally have 24 pairs of chromosomes. Answer true or false.
In what year did Microsoft complete its acquisition of Activision Blizzard? Answer with the four-digit year only.
Pope Leo XIV was born in the United States. Answer true or false.
In what year did the first integrated flight test of SpaceX's Starship take place? Answer with the four-digit year only.
How many Grand Slam singles titles has Novak Djokovic won as of the end of 2024? Answer with the whole number only.
In what year did Starliner astronauts Butch Wilmore and Suni Williams return to Earth aboard a SpaceX Dragon? Answer with the four-digit year only.
What is the most abundant gas in Earth's atmosphere? Answer with the single word only, in lowercase.
Who became prime minister of Australia after the 2022 federal election? Answer with the surname only.
Who is the NBA's all-time leading scorer? Answer with the surname only.
In what year did India gain independence from Britain? Answer with the four-digit year only.
Usain Bolt won the Olympic 100 metres at three consecutive Games. Answer true or false.
How many FIFA World Cup titles has Brazil won? Answer with the whole number only.
Tiger Woods has won more men's major golf championships than Jack Nicklaus. Answer true or false.
Who won Taiwan's January 2024 presidential election? Answer with the surname only.