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2,162 accepted98% rate58.8 hours
Which chemical element is the most abundant in the universe by mass? Answer with the single word only, in lowercase.
Sound can travel through a perfect vacuum. Answer true or false.
In which country is the BSE Sensex stock index based? Answer with the country name only.
How many companies has Germany's DAX index contained since September 2021? Answer with the whole number only.
Spiders are insects. Answer true or false.
In what year did the S&P 500 first close above 5,000 points? Answer with the four-digit year only.
Which NBA team won the 2023 NBA Finals? Answer with the team nickname only, such as Lakers.
Which player won the 2023 men's Ballon d'Or? Answer with the surname only.
Who won the 2025 Indianapolis 500? Answer with the surname only.
Copper is a good conductor of electricity. Answer true or false.
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.
Who won Romania's May 2025 presidential runoff? Answer with the surname only.
In what year did Airbnb hold its initial public offering? Answer with the four-digit year only.
Ostriches cannot fly. Answer true or false.
The S&P 500 finished calendar year 2022 down more than 15 percent. Answer true or false.
Who has been the chief executive of Nvidia since its founding? Answer with the surname only.
In which month of 2024 did Iranian president Ebrahim Raisi die in a helicopter crash? Answer with the month name only.
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.
Who won the 2025 French Open men's singles title? Answer with the surname only.