1,486 accepted99% rate17.2 hours
1,486 accepted99% rate17.2 hours
In what year did Emirates receive its first Airbus A380? Answer with the four-digit year only.
How many engines did the Boeing 727 have? Answer with the whole number only.
Which river flows through Paris? Answer with the river name only, without the word River.
What is the longest continental mountain range in the world? Answer with the range name only, one word.
What is the largest moon of Neptune? Answer with the name only.
Who founded Pan American World Airways and ran it for decades? Answer with the surname only.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
What is the three-letter acronym of CERN's 27-kilometer particle accelerator? Answer with the acronym only.
Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
What is the longest river in Europe? Answer with the river name only, without the word River.
How many regions does Italy have? Answer with the whole number only.
The equator passes through India. Answer true or false.
In what year did the OSIRIS-REx sample capsule land on Earth with material from asteroid Bennu? Answer with the four-digit year only.
What is the capital of Kenya? Answer with the city name only.
How many spacetime dimensions does superstring theory require? Answer with the whole number only.
What is the flag carrier airline of Ireland? Answer with the airline name only.
What is the four-letter acronym of India's national space agency? Answer with the acronym only.
In what year was the Kepler space telescope launched? Answer with the four-digit year only.
In which country is the ancient city of Petra? Answer with the country name only.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
What is the capital of the US state of Illinois? Answer with the city name only.
Ryanair is headquartered in Ireland. Answer true or false.
How many states does the United States have? 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 South Sudan become independent? Answer with the four-digit year only.