656 accepted98% rate8.1 hours
656 accepted98% rate8.1 hours
What is the capital of Saudi Arabia? Answer with the city name only.
How many letters long is an ICAO airline designator? Answer with the whole number only.
How many up quarks does a proton contain? Answer with the whole number only.
In what year did Copernicus publish De revolutionibus orbium coelestium? Answer with the four-digit year only.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
In what year did Stephen Hawking publish his prediction that black holes emit radiation, in Nature? Answer with the four-digit year only.
What is the capital of Cuba? Answer with the English name of the city only.
In what year was Emirates airline founded? Answer with the four-digit year only.
How many US states border Mexico? Answer with the whole number only.
In what year was Aeroflot founded? Answer with the four-digit year only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
In what year did Alaska Air Group complete its acquisition of Hawaiian Airlines? Answer with the four-digit year only.
What is the two-character IATA code of KLM? Answer with the two-character code only.
What is the IATA code of Paris Charles de Gaulle Airport? Answer with the three-letter code only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
How many engines does the Boeing 747 have? Answer with the whole number only.
In what year did Theodore Maiman demonstrate the first working laser? Answer with the four-digit year only.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
In what year did Apollo 13 suffer its oxygen tank explosion? Answer with the four-digit year only.
What is the capital of New Zealand? Answer with the city name only.
In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
Who led the team that built Chicago Pile-1, the first nuclear reactor? Answer with the surname only.
What is the two-character IATA code of Qatar Airways? Answer with the two-character code only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.