Which is a winning combination of digits?
[6659] 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: 15 - The first user who solved this task is Nasrin 24 T
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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: 15
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
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Dead Goldfish

Little Tim was in the garden filling in a hole when his neighbor peered over the fence.
Interested in what the cheeky-faced youngster was up to, he politely asked, "What are you up to there, Tim?"
"My goldfish died," replied Tim tearfully, without looking up, "and I've just buried him."
The neighbor was concerned, "That's an awfully big hole for a goldfish, isn't it?"
Tim patted down the last heap of earth then replied, "That's because he's inside your stupid cat."  

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Vacuum cleaner

In 1869, Ives W. McGaffney of Chicago obtained the first American patent for a "sweeping machine" (U.S. No. 91,145). This first suction-type vacuum cleaner was a light hand-powered device for surface cleaning. The mechanism consists of a handle to turn a pulley which uses a belt to drive a fan in a casing, thus producing a strong current of air, "controlled to take up dust and dirt, and carry the fine particles into a porous air-chamber, so constructed as to allow the air to escape while the dust is retained." The air-chamber could be "a bag made of fine and firm cotton, with an elastic band or cord fixed in a hem around its mouth, which is drawn closely over the discharge-opening of the fan." Its top end is suspended on a cross-bar on the handle.
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