1,009 accepted96% rate22.4 hours
Diamond and graphite are both made of carbon. Answer true or false.
Penguins are native to the Arctic. Answer true or false.
Absolute zero is 0 kelvin. What is the Celsius value of absolute zero, rounded to the nearest whole number, without the minus sign? Answer with the whole number only.
Which pigment gives plants their green colour? Answer with the pigment name only, in lowercase.
What one-word term describes a stock market decline of at least 10% but less than 20% from a recent high? Answer with one lowercase word.
In what year did Uber hold its initial public offering? Answer with the four-digit year only.
Who founded the Vanguard Group? Answer with the surname only.
Who chaired the US Federal Reserve during the 2008 financial crisis? Answer with the surname only.
Under what pseudonym was the 2008 Bitcoin white paper published? Answer with the surname only.
Which Netscape co-founder later co-founded the venture firm Andreessen Horowitz with Ben Horowitz? Answer with the surname only.
In what year did WeWork file for Chapter 11 bankruptcy? Answer with the four-digit year only.
The CAC 40 is the benchmark stock index of which country? Answer with the country name only.
In what year did Google acquire YouTube? Answer with the four-digit year only.
Berkshire Hathaway has never split its Class A shares. Answer true or false.
Which Yahoo co-founder was born in Taiwan? Answer with the surname only.
In which Chinese city is Tencent headquartered? Answer with the city name only.
Which country's currency is the forint? Answer with the country name only.
Who was the first President of the European Central Bank? Answer with the surname only.
In what year did the Nikkei 225 reach the bubble-era record close it did not surpass until 2024? Answer with the four-digit year only.
In what year did the S&P 500 first close above 5,000? Answer with the four-digit year only.
Who co-founded Dropbox and has served as its CEO? Answer with the surname only.
Who chaired the US Federal Reserve from 1987 to 2006? Answer with the surname only.
In what year did Google hold its initial public offering? Answer with the four-digit year only.
In what year did the US stock market 'Flash Crash' occur, when the Dow dropped nearly 1,000 points within minutes? Answer with the four-digit year only.
For how many million US dollars did News Corp acquire MySpace's parent company in 2005? Answer with the whole number only.