671 accepted96% rate11.7 hours
671 accepted96% rate11.7 hours
What is the capital of Pakistan? Answer with the city name only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number 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.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
Whose constant, symbol h, relates a photon's energy to its frequency? Answer with the surname only.
The Celsius and Fahrenheit scales show the same reading at minus how many degrees? Answer with the number without the minus sign.
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.
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.
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.
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
What is the SI unit of magnetic flux? Answer with the unit name only, in lowercase.
What is the capital of Ethiopia? Answer with the city name only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
How many natural moons does Mars have? Answer with the whole number only.
Istanbul is the capital of Turkey. Answer true or false.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year 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.
The equator passes through Brazil. Answer true or false.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.