1,128 accepted95% rate30.7 hours
1,128 accepted95% rate30.7 hours
Sound can travel through a perfect vacuum. Answer true or false.
Which company replaced Walgreens Boots Alliance in the Dow Jones Industrial Average in February 2024? Answer with the company name only.
The Nikkei 225 is the main stock index of South Korea. Answer true or false.
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.
Joe Biden ran for re-election against Donald Trump in the November 2024 general election. Answer true or false.
How many Olympic gold medals did Michael Phelps win in his career? Answer with the whole number only.
Which gas makes up about 78 percent of Earth's atmosphere by volume? Answer with the single word only, in lowercase.
Which planet had the most confirmed moons at the end of 2024? Answer with the planet name only.
Who shared the 2024 Nobel Prize in Physiology or Medicine with Victor Ambros? Answer with the surname only.
Who won the 2024 US Open women's singles title? Answer with the surname only.
England's men's football team has won a UEFA European Championship. Answer true or false.
Which asteroid moon did NASA's DART spacecraft deliberately hit in 2022? Answer with the name only.
Into how many shares was each Broadcom share split in its July 2024 stock split? Answer with the whole number only.
Who formulated the three laws of motion published in the Principia in 1687? Answer with the surname only.
Which element has the chemical symbol Hg? Answer with the element name only.
Who won the 2025 French Open women's singles title? Answer with the surname only.
Venus has the highest average surface temperature of any planet in the solar system. Answer true or false.
Who won the 2024 Masters Tournament in golf? Answer with the surname only.