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1,856 accepted92% rate31.6 hours
How many protons does a carbon atom have? Answer with the whole number only.
In which country is the BSE Sensex stock index based? Answer with the country name only.
Spiders are insects. Answer true or false.
Human body cells normally contain 23 pairs of chromosomes. Answer true or false.
Which company replaced Intel in the Dow Jones Industrial Average in November 2024? Answer with the company name only.
In which city is the club that won the 2023-24 Bundesliga based? Answer with the city name only.
Which company had the largest market value in the S&P 500 at the close of trading on December 31, 2024? Answer with the company name only.
Which NBA team won the 2023 NBA Finals? Answer with the team nickname only, such as Lakers.
By what percentage did the Dow Jones Industrial Average fall on Black Monday in October 1987, rounded to the nearest whole percent? Answer with the whole number only.
In what year was the Nasdaq stock market founded? Answer with the four-digit year only.
Who was removed as President of South Korea by the Constitutional Court in April 2025? Answer with the surname only.
Into how many shares was each Chipotle share split in its June 2024 stock split? Answer with the whole number only.
Who was confirmed as US Secretary of Defense in January 2025? Answer with the surname only.
Who won the 2024 Daytona 500? Answer with the surname only.
Copper is a good conductor of electricity. Answer true or false.
How many Olympic gold medals did Michael Phelps win in his career? Answer with the whole number only.
Emmanuel Macron was elected to a third term as French president in 2022. Answer true or false.
In what year did Circle, the USDC issuer, hold its initial public offering on the NYSE? Answer with the four-digit year only.
Which element has the chemical symbol Pb? Answer with the element name only.
The Los Angeles Dodgers won the 2024 World Series in five games. Answer true or false.
Mars has three natural moons. Answer true or false.
Who won the 2025 Masters Tournament in golf? Answer with the surname only.
Who won Romania's May 2025 presidential runoff? Answer with the surname only.
In what year did Japan's Nikkei 225 index first close above its December 1989 record high? Answer with the four-digit year only.
Which planet had the most confirmed moons at the end of 2024? Answer with the planet name only.