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660 accepted97% rate10.7 hours
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660 accepted97% rate10.7 hours
In which country is the ancient city of Petra? Answer with the country name only.
How many states does the United States have? Answer with the whole number only.
In what year was Cathay Pacific founded? Answer with the four-digit year only.
In what year did Namibia become independent? Answer with the four-digit year only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
Who discovered the neutron in 1932? Answer with the surname only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In what year did the Suez Canal open? Answer with the four-digit year only.
What is the largest moon of Saturn? Answer with the name 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 was the Chernobyl nuclear accident? 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.
In what year was Concorde retired from commercial service? Answer with the four-digit year 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.
Uranus has an axial tilt of roughly 98 degrees. 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.
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.
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.