What a winning combination?
[6417] What a winning combination? - 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: 28 - The first user who solved this task is Nasrin 24 T
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What a winning combination?

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: 28
The first user who solved this task is Nasrin 24 T.
#brainteasers #mastermind
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Garbage day

A Father is asked by his friend, "Has your son decided what he wants to be when he grows up?"

"Yes, he wants to be a garbage collector," he replies.

To this his friend responds "Strange ambition to have for a career."

"Well, he thinks that garbage collectors only work on Tuesdays!"

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Fire extinguisher

In 1863, the first U.S. patent on a fire extinguishing system for buildings was granted to Alanson Crane of Fortress Monroe, Va. (No. 37,610). The patent drawing [left] shows a longitudinal vertical section of a building, which could be with one or more stories, as a dwelling, storehouse or any other purpose. It shows a water pipe under the foundation of the outside wall, which supplies a vertical pipe leading up the inside of the wall to one or more perforated pipes extending horizontally throughout the building. The principle innovation was to include a stop cock with a locking cover that could be operated outside the wall by an authorized person in the event of a fire when the building is unoccupied. Thus water could flood the floors and quickly extinguish a fire.
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