BRAIN TEASERS

# 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.
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind

### Training The Blonde

An airline captain was breaking in a very pretty new blonde stewardess. The route they were flying had a stay-over in another city, so upon their arrival, the captain showed the stewardess the best place for airline personnel to eat, shop and stay overnight.
The next morning as the pilot was preparing the crew for the day's route, he noticed the new stewardess was missing. He knew which room she was in at the hotel and called her up wondering what happened to her. She answered the phone, sobbing, and said she couldn't get out of her room.
"You can't get out of your room?" the captain asked, "Why not?"
The stewardess replied, "There are only three doors in here, "she cried," one is the bathroom, one is the closet, and one has a sign on it that says 'Do Not Disturb'!"
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## Brain Teasers

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### Henry Fox Talbot

Died 17 Sep 1877 at age 77 (born 11 Feb 1800).William Henry Fox Talbot was an English inventor, mathematician, chemist, physicist, philologist and Egyptologist who invented the negative-positive photographic process. He improved the discovery by Thomas Wedgwood (1802) that brushing silver nitrate solution onto paper produces a light-sensitive medium able to record negative images, but Wedgewood was unable to control the darkening. In February 1835, Talbot found that a strong solution of salt fixed the image. Using a camera obscura to focus an image onto his paper to produce a negative, then - by exposing a second sheet of paper to sunlight transmitted through the negative - he was the first to produce a positive picture of which he was able to make further copies at will. His Pencil of Nature (1844) was the first photographically illustrated book.
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