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3,381 accepted97% rate49.2 hours
In what year did Dmitri Mendeleev publish his first periodic table? Answer with the four-digit year only.
Which planet does the moon Titan orbit? Answer with the planet name only.
In what year did front-month WTI crude oil futures settle below zero dollars? Answer with the four-digit year only.
On which day of August 2024 did Japan's Nikkei 225 fall more than 12 percent in one session? Answer with the day of the month only.
In what year did Warren Buffett take control of Berkshire Hathaway? Answer with the four-digit year only.
Pope Leo XIV was born in Chicago. Answer true or false.
In what year did NASA's DART spacecraft impact the asteroid moon Dimorphos? Answer with the four-digit year only.
How many points did the winning team score in Super Bowl LIX? Answer with the whole number only.
What is the stock ticker of Reddit, which listed in 2024? Answer with the ticker symbol only, in uppercase.
Neutrons carry a positive electric charge. Answer true or false.
Which country's long-time president Bashar al-Assad was ousted in December 2024? Answer with the country name only.
The Federal Reserve raised its policy rate at any meeting in 2024. Answer true or false.
The S&P 500 is weighted by float-adjusted market capitalization. Answer true or false.
In what year did Nvidia hold its initial public offering? Answer with the four-digit year only.
In what year did Saudi Aramco hold its initial public offering? Answer with the four-digit year only.
How many House of Commons seats did Labour win in the July 2024 UK general election? Answer with the whole number only.
Which country won the men's basketball gold medal at the Paris 2024 Olympics? Answer with the country name only.
Saturn's average density is lower than that of water. Answer true or false.
How many Super Bowls did Tom Brady win as a player? Answer with the whole number only.
Who was elected Chancellor of Germany in May 2025? Answer with the surname only.
Mercury has no natural moons. Answer true or false.
Which NFL team won Super Bowl LVI in February 2022? Answer with the team nickname only, such as Packers.
Which country is the winner of the 2024 Tour de France from? Answer with the country name only.
How many Formula One World Drivers' Championships had Lewis Hamilton won by the end of 2024? Answer with the whole number only.
How many companies make up the Dow Jones Industrial Average? Answer with the whole number only.