Which is a winning combination of digits?
[1109] 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: 66 - 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: 66
The first user who solved this task is James Lillard.
#brainteasers #mastermind
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National Dolphin Day Jokes

Today is National Dolphin Day! Find a joke about it!

Why don't dolphins play basketball?
Because they're afraid of the net!

What is a dolphin’s favourite TV programme?
Whale of fortune!

What does a dolphin ask when he doesn't understand?
Can you be more Pacific?!

How do dolphins make a decision?
They flipper coin!

#worlddolphinday

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Carbon paper

In 1806, Englishman Ralph Wedgwood secured the first patent for carbon paper, which he described as an “apparatus for producing duplicates of writings.” In his process, thin paper was saturated with printer's ink, then dried between sheets of blotting paper. His idea for the carbon paper was a byproduct of his inventionof a machine to help blind people write, and the “black paper” was really just a substitute for ink. In its original form, Wedgwood's “Stylographic Writer” employed a metal stylus instead of a quill for writing, with the carbon paper placed between two sheets of paper in order to transfer a copy onto the bottom sheet.
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