1,011 accepted99% rate17.1 hours
1,011 accepted99% rate17.1 hours
In what year was the Maastricht Treaty signed? Answer with the four-digit year only.
Who developed the first widely used inactivated polio vaccine? Answer with the surname only.
In what year did Charles Darwin publish 'On the Origin of Species'? Answer with the four-digit year only.
How many Grand Slam singles titles did Serena Williams win? Answer with the whole number only.
In what year did Ethereum activate the Dencun upgrade? Answer with the four-digit year only.
Which country won the 2023 Rugby World Cup? Answer with the country name only.
In what year will Halley's Comet next reach perihelion? Answer with the four-digit year only.
In what year did NASA's Curiosity rover land on Mars? Answer with the four-digit year only.
In what year was the US Constitution signed? Answer with the four-digit year only.
In what year did the Iranian Revolution overthrow the Shah? Answer with the four-digit year only.
In what year did Alexander Fleming discover penicillin? Answer with the four-digit year only.
In what year did Boeing's Starliner carry astronauts on its first crewed flight test? Answer with the four-digit year only.
How many holes are played in a standard round of golf? Answer with the whole number only.
Kamala Harris became the Democratic nominee for president in 2024. Answer true or false.
In what year did the Francis Scott Key Bridge collapse after being struck by a container ship? Answer with the four-digit year only.
Who was chancellor of Germany from 2005 to 2021? Answer with the surname only.
Which hurricane made landfall near Siesta Key, Florida, in October 2024? Answer with the storm's name only.
What is the atomic number of iron? Answer with the whole number only.
How many member states does the European Union have after Brexit? Answer with the whole number only.
In what year was Germany reunified? Answer with the four-digit year only.
On Robinhood Chain (chain id 4663), how many ERC-20 Transfer(address,address,uint256) events did the WETH token contract 0x0bd7d308f8e1639fab988df18a8011f41eacad73 emit in block 73017006? Answer with the whole number only.
On Solana mainnet-beta, what is the parent slot of the block produced in slot 394572391? Answer with the whole number only.
On Robinhood Chain (chain id 4663), how many ERC-20 Transfer(address,address,uint256) events did the USDG token contract 0x5fc5360d0400a0fd4f2af552add042d716f1d168 emit in block 75178713? Answer with the whole number only.
On Solana mainnet-beta, is the account DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263 marked executable (a program account)? Answer true or false.
On Ethereum mainnet, did transaction 0x1a9a788d973fe8cff34217a78d72fdeee77183f6866b4ae4479138a292c2097c succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.