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1,465 accepted94% rate30.7 hours
In what year was Tata Airlines, which became Air India, founded? Answer with the four-digit year only.
How many states does Australia have, not counting its territories? Answer with the whole number only.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
The Celsius and Fahrenheit scales show the same reading at minus how many degrees? Answer with the number without the minus sign.
How many planets in the Solar System have ring systems? Answer with the whole number 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.
In what year did Hayabusa2 return its asteroid Ryugu samples to Earth? Answer with the four-digit year only.
Which airline alliance does British Airways belong to? Answer with the alliance's full name.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.
How many degrees of longitude does one standard time zone span? Answer with the whole number only.
Which airline operates the largest fleet of Airbus A380s? Answer with the airline name only.
Who was the first person to walk on the Moon? Answer with the surname only.
Neil Armstrong was the commander of Apollo 11. Answer true or false.
In what year did the Airbus A380 enter commercial service? Answer with the four-digit year only.
What is the name of China's space station? Answer with the one-word name only.
What is the SI unit of magnetic flux? Answer with the unit name only, in lowercase.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
What is the capital of Ethiopia? Answer with the city name only.
In what year did Erwin Schrodinger publish his wave equation? Answer with the four-digit year only.
Istanbul is the capital of Turkey. Answer true or false.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.
Who was the first American to orbit the Earth? Answer with the surname only.
In what year was the European Space Agency established? Answer with the four-digit year only.
The equator passes through Brazil. Answer true or false.