965 accepted97% rate21.2 hours
965 accepted97% rate21.2 hours
In what year did Christiaan Barnard perform the first human-to-human heart transplant? Answer with the four-digit year only.
Which country won the 2014 FIFA World Cup? Answer with the country name only.
In what year did India's Chandrayaan-3 land near the lunar south pole? Answer with the four-digit year only.
How many years is a US senator's term? Answer with the whole number only.
Which nucleobase replaces thymine in RNA? Answer with the single word only, in lowercase.
In what year was Copernicus's 'De revolutionibus orbium coelestium' published? Answer with the four-digit year only.
In what year did Russia launch its full-scale invasion of Ukraine? Answer with the four-digit year only.
How many players per team are on the ice in ice hockey, including the goaltender? Answer with the whole number only.
At what block height did the April 2024 bitcoin halving occur? Answer with the whole number only.
The United Kingdom has a codified constitution in a single document. Answer true or false.
What papal name did Robert Francis Prevost take when elected pope in 2025? Answer with the name only, without the regnal number.
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.
In what year were the Camp David Accords signed? Answer with the four-digit year only.
In what year did Hawaii become a US state? Answer with the four-digit year only.
How many chemical elements are in the periodic table as currently named and confirmed by IUPAC? Answer with the whole number only.
In what year did Finland join NATO? Answer with the four-digit year only.
What is the atomic number of iron? Answer with the whole number only.
How many minutes long is a regulation NBA game? Answer with the whole number only.
How many pairs of chromosomes do humans normally have? Answer with the whole number 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 Robinhood Chain (chain id 4663), how many ERC-20 Transfer(address,address,uint256) events did the WETH token contract 0x0bd7d308f8e1639fab988df18a8011f41eacad73 emit in block 73508272? Answer with the whole number only.
On Ethereum mainnet, which address sent transaction 0x3e2a261741cc857345982f0879eee3dacf663785642676ccc04fd20603a0ef38? Answer with the 0x address only.
On Solana mainnet-beta, how many decimals does the Raydium SPL token mint 4k3Dyjzvzp8eMZWUXbBCjEvwSkkk59S5iCNLY3QrkX6R use? Answer with the whole number only.
On Ethereum mainnet, is there contract code deployed at address 0x57f1887a8bf19b14fc0df6fd9b2acc9af147ea85 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.