Which is a winning combination of digits?
[1188] 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: 57 - The first user who solved this task is Sanja Šabović
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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: 57
The first user who solved this task is Sanja Šabović.
#brainteasers #mastermind
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Right baby

A Brit, a Welsh fellow, and a Pakistani gentleman were seated in the waiting area of a local hospital's maternity ward.


A nurse appears and informs the men, "Apologies, but we have encountered a mix-up, and we're unsure which baby belongs to which mother. Could any of you assist in figuring this out?"


The British man rises to the occasion and offers his help. He enters the ward and, after a short while, emerges holding a baby who is clearly of Pakistani descent. The Pakistani man stands up, exclaiming, "What do you think you're doing?!"


To which the British man replies, "Look, one of those babies is Welsh, I'm not taking any chances!"

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Screw-blank feeder mechanism

In 1856, Cullen Whipple, of Providence, RI, patented a screw-blank feeder mechanism (U.S. No. 15,052). In Oct 1840, he was one of ten incorporators of The New England Screw Co. He invented a machine for the company to use cutting the threads of screws (patented 18 Aug 1842) which he later improved by adding more cutters to also point the screws in the same machine (patent No. 9,477, 14 Dec 1852). He patented various other devices for improving the manufacture of screws. He has been credited* as the inventor of the first practical machine for pointing screws. Early screws had no point and required that a starter hole be drilled before use.«[Note: Famous First Facts by Joseph Nathan Kane incorrectly cites this screw-blank feeder mechanism's 3 Jun 1856 date and patent number as the first practical screw-pointing machine patent. In fact, Whipple invented his screw pointing machine four years earlier - in 1852.]
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