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1,169 accepted95% rate18.2 hours
Who won the 2025 Indianapolis 500? Answer with the surname 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.
Who won Romania's May 2025 presidential runoff? Answer with the surname only.
Which NHL team won the 2023 Stanley Cup? Answer with the team nickname only, such as Bruins.
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.
In what year did NASA's Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
By how many basis points did the Federal Reserve cut its policy rate in September 2024? Answer with the whole number only.
Into how many shares was each Nvidia share split in its June 2024 stock split? Answer with the whole number only.
Pluto is smaller than Earth's Moon. Answer true or false.
Argentina won the 2022 FIFA World Cup final on a penalty shootout. Answer true or false.
In what year did Arm Holdings hold its Nasdaq initial public offering? Answer with the four-digit year only.
Which planet is home to the storm known as the Great Red Spot? Answer with the planet name only.
Electrons carry a negative electric charge. Answer true or false.
Who became chief executive of Intel in March 2025? Answer with the surname only.
In what year did gold first trade above $2,000 per troy ounce? Answer with the four-digit year only.
How many goals did Spain score in the UEFA Euro 2024 final? Answer with the whole number only.
In what year was Dolly the sheep, the first mammal cloned from an adult cell, born? Answer with the four-digit year only.
How many chromosomes does a typical human body (somatic) cell contain? Answer with the whole number only.