Find the right combination
[1181] 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. - #brainteasers #mastermind - Correct Answers: 54 - The first user who solved this task is James Lillard
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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: 54
The first user who solved this task is James Lillard.
#brainteasers #mastermind
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Walking To School

Father:
- "Son, when Abraham Lincoln was your age, he walked 12 miles to school."
Son:
- "Dad, when Abraham Lincoln was your age, he was President."
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Coal pipeline completed

In 1956, construction was completed on the first U.S. commercial coal pipeline. This coal slurry pipeline ran 108 miles from a coal mine (Georgetown Preparation Plant of the Hanna Coal Company, near Cadiz, Ohio) to a power station (Cleveland Illuminating Company, in Eastlake, Ohio). The 10¾- in diam. pipeline could transport over a million tons of coal per year. Mixed with an equal amount of water, it delivered 150 tons of coal per hour. It was placed in operation on 4 Jun 1957. After processing to remove the water, the coal slurry was ready for burning as fuel for the power plant. Slurry pipelines now exist transporting over twenty types of minerals, including iron-ore concentrate, copper ore, phosphate rock concentrate and mineral sands. Pipeline transportation costs less than by railroad.«
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