BRAIN TEASERS

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Find the right combination

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: 46

The first user who solved this task is James Lillard.

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Christmas wish

Mother: "Sweetie, make a Christmas wish."
Girl: "I wish that Santa will send some clothes to those naked girls in papa's computer."

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George A. Olah

Born 22 May 1927.George Andrew Olah is a Hungarian-American chemist who won the 1994 Nobel Prize for Chemistry for work conducted in the early 1960s that isolated the positively charged, electron-deficient fragments of hydrocarbons known as carbocations (or carbonium ions). Carbocations are elusive intermediate compounds formed when large hydrocarbon molecules are broken into smaller ones, or vice versa. His discovery has opened up a new area of economically important hydrocarbon research into basic reactions of oil refining, plastics and other industrial processes that continues today.

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