1,199 accepted98% rate17.9 hours
1,199 accepted98% rate17.9 hours
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
How many engines does the Boeing 777 have? Answer with the whole number only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
In what year did the Suez Canal open? Answer with the four-digit year only.
In which country is Angel Falls, the world's highest uninterrupted waterfall? Answer with the country name only.
What is the capital of Vietnam? Answer with the city name 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 Fermilab announce the discovery of the top quark? Answer with the four-digit year only.
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
In what year is Halley's Comet next expected at perihelion? Answer with the four-digit year only.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.
Delta Air Lines is a member of the oneworld alliance. Answer true or false.
In what year was Concorde retired from commercial service? Answer with the four-digit year only.
What is the standard mains frequency of the electricity grid in continental Europe, in hertz? Answer with the whole number only.
How many states does India have, not counting union territories? Answer with the whole number only.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
What is the SI unit of force? Answer with the unit name only, in lowercase.
In what year was Star Alliance founded? Answer with the four-digit year only.
Which airline alliance does Lufthansa belong to? Answer with the alliance's full name.
In what year did Marie Curie win her first Nobel Prize, the one in physics? Answer with the four-digit year only.
Uranus has an axial tilt of roughly 98 degrees. Answer true or false.
Sydney is the capital of Australia. Answer true or false.
In what year did Alain Aspect, John Clauser and Anton Zeilinger win the Nobel Prize in Physics? Answer with the four-digit year only.
Which European country occupies most of the Jutland peninsula? Answer with the country name only.
Victoria Falls lies on which river? Answer with the river name only, without the word River.