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1,916 accepted96% rate29.0 hours
How many protons does a carbon atom have? Answer with the whole number 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.
In which country is the BSE Sensex stock index based? Answer with the country name only.
The Nikkei 225 is the main stock index of South Korea. Answer true or false.
Which NBA team won the 2023 NBA Finals? Answer with the team nickname only, such as Lakers.
What is the ticker of the SPDR S&P 500 ETF Trust? Answer with the ticker symbol only, in uppercase.
Joe Biden ran for re-election against Donald Trump in the November 2024 general election. Answer true or false.
In what year was the Nasdaq stock market founded? Answer with the four-digit year 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.
In what year was 51 Pegasi b, the first exoplanet found orbiting a sun-like star, announced? Answer with the four-digit year 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.
Mars has three natural moons. Answer true or false.
The New York Yankees won the 2024 World Series. Answer true or false.
Who won Romania's May 2025 presidential runoff? Answer with the surname only.
Who shared the 2024 Nobel Prize in Physiology or Medicine with Victor Ambros? Answer with the surname only.
Super Bowl LVIII went to overtime. Answer true or false.
Who won the 2024 US Open women's singles title? Answer with the surname only.
Which element has the chemical symbol K? Answer with the element name only.
Who has been the chief executive of Nvidia since its founding? Answer with the surname only.
England's men's football team has won a UEFA European Championship. Answer true or false.
In what year did Lehman Brothers file for bankruptcy? Answer with the four-digit year only.
Mitochondria contain their own DNA. Answer true or false.