1,033 accepted98% rate13.1 hours
1,033 accepted98% rate13.1 hours
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 is Halley's Comet next expected at perihelion? Answer with the four-digit year only.
In what year did Marie Curie win her first Nobel Prize, the one in physics? 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 four-letter acronym of Japan's national space agency? Answer with the acronym only.
How many states does India have, not counting union territories? Answer with the whole number only.
What is the SI unit of force? Answer with the unit name only, in lowercase.
Which airline alliance does Lufthansa belong to? Answer with the alliance's full name.
In what year did Yuri Gagarin become the first human in space? 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.
In what year was the core module of the Mir space station launched? Answer with the four-digit year only.
Victoria Falls lies on which river? Answer with the river name only, without the word River.
Who discovered radioactivity in 1896? Answer with the surname only.
What is the two-character IATA code of Swiss International Air Lines? Answer with the two-character code only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
The neutron carries a positive electric charge. Answer true or false.
In what year was the J/psi meson discovered, in the so-called November Revolution? Answer with the four-digit year only.
Which mountain range forms most of the border between France and Spain? Answer with the English name only, one word.
In what year was Niels Bohr awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What is the deepest lake in the world? Answer with the lake name only, without the word Lake.
What is the longest river in Asia? Answer with the English river name only, without the word River.