1,666 accepted99% rate22.2 hours
1,666 accepted99% rate22.2 hours
How many Grand Slam singles titles did Serena Williams win? Answer with the whole number only.
In which US city did the Francis Scott Key Bridge collapse in March 2024? Answer with the city name only.
How many electoral votes does a candidate need to win the US presidency? Answer with the whole number only.
Max Verstappen won the 2024 Formula One World Drivers' Championship. Answer true or false.
In what year did Ethereum activate the Dencun upgrade? Answer with the four-digit year only.
In what year did Marie Curie die? Answer with the four-digit year only.
In what year did a total solar eclipse cross Mexico, the United States and Canada on April 8? 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 the American Civil War begin? Answer with the four-digit year only.
Which club won the 2024-25 English Premier League? Answer with the club or team name only.
In what year will Halley's Comet next reach perihelion? Answer with the four-digit year only.
How many men's major golf championships has Tiger Woods won? Answer with the whole number only.
In what year did NASA's Curiosity rover land on Mars? Answer with the four-digit year only.
In what year did Israel declare independence? Answer with the four-digit year only.
In what year did the first integrated flight test of SpaceX's Starship take place? Answer with the four-digit year only.
In what year did Watson and Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
The Francis Scott Key Bridge that collapsed in 2024 was in Boston. Answer true or false.
In what year did the Iranian Revolution overthrow the Shah? Answer with the four-digit year only.
Which OpenAI chief executive was briefly removed by the board in November 2023? Answer with the surname only.
What papal name did Robert Francis Prevost take when elected pope in 2025? Answer with the name only, without the regnal number.
How many players per team are on the field in rugby union? Answer with the whole number only.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? 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.
Margaret Thatcher was UK prime minister during the Falklands War. Answer true or false.
Bats are mammals. Answer true or false.