Which is a winning combination of digits?
[7261] 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: 16
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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: 16
#brainteasers #mastermind
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A man realized he needed to pu...

A man realized he needed to purchase a hearing aid, but didn't want to spend a lot of money. "How much do they cost?" he asked the salesman.
"Anything from $2 to $2,000."
"Can I see the $2 model?" said the customer.
The salesman put the device around the man's neck, and said: "You just stick this button in your ear and run this little string down into your pocket."
"How does it work?" asked the customer.
"For $2, it doesn't work," said the salesman. "But when people see it on you, they'll talk louder."
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Collapsible tube patent

In 1841, the first U.S. patent for collapsible metal tubes was issued to an artist, John Rand (No. 2,252). His purpose was as a "mode of preserving paints, and other fluids, by confining them in close mettalic vessels so constructed as to collapse with slight pressure, and thus force out the paint or fluid confined therein through proper openings for that purpose." The tubes, molded of lead and used to hold oil colours, were provided with caps to keep them airtight. The idea was later reinvented in 1892 for the commercial packaging of tootpaste. The first collapsible polythene tubes were produced in the U.S. for skin-tanning lotion in 1953.
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