BRAIN TEASERS

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What a winning 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: 49

The first user who solved this task is Djordje Timotijevic.

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Two lawyers

Two lawyers were walking along, negotiating a case.

"Look," said one to the other, "let's be honest with each other."

"Okay, you first," replied the other.

That was the end of the discussion.

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Elijah McCoy

Born 27 Mar 1843; died 10 Oct 1929 at age 86.Black-American inventor holding many patents for the automatic lubrication of machinery. Born in Canada. While resident in Ypsilanti, Michigan, after two years of development, he received his first U.S. patent, No. 129,843 on 23 Jun 1872, for a lubricator for steam engines. By 1926 he held several dozen patents for devices that enabled a steady supply of oil to machinery, in drops flowing from a reservoir cup while the machine continued to run, thus eliminating the need to stop the machine to oil it. These were used by stationary steam engines in factories, railway locomotives, steam-powered inland waterway and ocean ships. His inventiveness yielded other patents, including an ironing table, scaffold support and rubber heel.«

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