2,042 accepted98% rate32.2 hours
2,042 accepted98% rate32.2 hours
How many engines did the Boeing 727 have? Answer with the whole number only.
Which planet has the Great Red Spot? Answer with the name only.
What is the longest continental mountain range in the world? Answer with the range name only, one word.
Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
What is the longest river in Europe? Answer with the river name only, without the word River.
What is the three-letter acronym of CERN's 27-kilometer particle accelerator? Answer with the acronym only.
The equator passes through India. Answer true or false.
What is the two-character IATA code of Spirit Airlines? Answer with the two-character code only.
What is the flag carrier airline of Ireland? Answer with the airline name only.
What is the capital of Kenya? Answer with the city name only.
What is the four-letter acronym of India's national space agency? Answer with the acronym only.
In what year did Marie Curie win her Nobel Prize in Chemistry? Answer with the four-digit year 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.
How many states does the United States have? Answer with the whole number only.
Ryanair is headquartered in Ireland. Answer true or false.
In what year did South Sudan become independent? Answer with the four-digit year only.
In what year did the Tenerife airport disaster, the deadliest accident in aviation history, occur? Answer with the four-digit year only.
In what year did Viking 1 land on Mars? Answer with the four-digit year only.
In what year did the de Havilland Comet begin the world's first scheduled jet airliner service? Answer with the four-digit year only.
In what year did Namibia become independent? Answer with the four-digit year only.
How many Apollo missions landed astronauts on the Moon? Answer with the whole number only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.