1,142 accepted98% rate17.6 hours
1,142 accepted98% rate17.6 hours
Who was the 16th President of the United States? Answer with the surname only.
What is the atomic number of silver? Answer with the whole number only.
Who was the first female Prime Minister of the United Kingdom? Answer with the surname only.
Barack Obama served three terms as US president. Answer true or false.
Which team won Super Bowl LVIII? Answer with the team nickname only (for example 'Yankees').
In what year did LIGO first directly detect gravitational waves (event GW150914)? Answer with the four-digit year only.
How many electoral votes did Joe Biden win in the 2020 US presidential election? Answer with the whole number only.
Which Google DeepMind chief executive shared the 2024 Nobel Prize in Chemistry for protein structure prediction? Answer with the surname only.
How many member states does the European Union have as of 2025? Answer with the whole number only.
In what year did the Chernobyl nuclear disaster occur? Answer with the four-digit year only.
How many goals did Wayne Gretzky score in his NHL regular-season career? Answer with the whole number only.
Which country joined NATO in March 2024? Answer with the country name only.
The Olympic marathon is longer than 50 kilometres. Answer true or false.
Who won the 2025 Australian Open men's singles title? Answer with the surname only.
In what year did Albert Einstein publish the special theory of relativity? Answer with the four-digit year only.
In what year was Nelson Mandela elected President of South Africa? Answer with the four-digit year only.
Which team won the 2025 NBA championship? Answer with the team nickname only (for example 'Yankees').
Electrons carry a positive electric charge. Answer true or false.
Bats are mammals. Answer true or false.
Which city hosted the 2024 Summer Olympics? Answer with the city name only.
Which team won the 2024 NBA championship? Answer with the team nickname only (for example 'Yankees').
Who was elected Mexico's first female president in 2024? Answer with the surname only.
In what year did the Berlin Wall fall? Answer with the four-digit year only.
In what year was the US Declaration of Independence adopted? Answer with the four-digit year only.
Which element has the chemical symbol He? Answer with the single word only, in lowercase.