Which is a winning combination of digits?
[1258] 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. - #brainteasers #mastermind - Correct Answers: 50 - The first user who solved this task is James Lillard
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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: 50
The first user who solved this task is James Lillard.
#brainteasers #mastermind
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A blonde calls her boyfriend a...

A blonde calls her boyfriend and says, "Please come over here and help me. I have a killer jigsaw puzzle, and I can't figure out how to get started."
Her boyfriend asks, "What is it supposed to be when it's finished?"
The blonde says, "According to the picture on the box, it's a rooster."
Her boyfriend decides to go over and help with the puzzle.
She lets him in and shows him where she has the puzzle spread all over the table.
He studies the pieces for a moment, then looks at the box, then turns to her and says, "First of all, no matter what we do, we're not going to be able to assemble these pieces into anything resembling a rooster."
He takes her hand and says, "Second, I want you to relax. Let's have a nice cup of tea, and then," he said with a deep sigh, "let's put all the Corn Flakes back in the box."
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Indelible pencil

In 1866, the first U.S. patent for an indelible pencil was issued to Edson P Clark of Northampton, Mass. as an "Producing Indelible Writing on Linen and other Fabrics" (No. 56,180). The pencil-lead was composed of gypsum (a hard moisture-resistance compound) and black lead (coloring agent, with optional asphaltum or lamp-black) and silver nitrate. It is the silver nitrate which blackens to make the indelible mark by the action of light or heat. The black lead and gypsum permit the pencil to be readily pointed. The patent described cementing the filling with shellac into grooved cedar wood. Clark held an earlier patent for an indelible composition, but described without the wood jacket (No. 24,195 on 31 May 1859).
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