BRAIN TEASERS

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Which is a winning combination of digits?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

Correct answers: 23

The first user who solved this task is Fazil Hashim.

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Harold Dadford West

Born 16 Jul 1904; died 5 Mar 1974 at age 69.Black-American biochemist and college president, who was the first to synthesize the essential amino acid threonine. Although he is best known for his studies of amino acids, he conducted research in a wider field, including the biochemistry of various bacilli, the B vitamins, and antibiotics. He spent his career from 1937 as professor of biochemistry at Meharry Medical College, Nashville until his retirement in 1973 where he held also the position of college president (1952-63). He was plagued and often hospitalized by severe asthma, which contributed his death.

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