1,448 accepted99% rate19.9 hours
1,448 accepted99% rate19.9 hours
Qantas is the flag carrier of Australia. Answer true or false.
How many valence quarks does a proton contain? Answer with the whole number only.
What is the two-character IATA code of United Airlines? Answer with the two-character code only.
What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
What is the IATA code of London Heathrow Airport? Answer with the three-letter code only.
What is the capital of the US state of California? Answer with the city name only.
What is the capital of Senegal? Answer with the city name only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
In what year did Albert Einstein publish his paper 'On the Electrodynamics of Moving Bodies', introducing special relativity? Answer with the four-digit year only.
What is the world's largest island that is not a continent? Answer with the name only.
What is the capital of the Philippines? Answer with the city name only.
In which country is Mount Kilimanjaro? Answer with the country name only.
What is the capital of Canada? Answer with the city name only.
On which planet is Olympus Mons? Answer with the name only.
What is the smallest US state by area? Answer with the name only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
What is the IATA code of Beijing Capital International Airport? Answer with the three-letter code only.
What is the capital of Argentina? Answer with the city name only.
Who was the first American in space, in 1961? Answer with the surname only.
In what year did NASA's DART spacecraft impact the asteroid Dimorphos? Answer with the four-digit year only.