Calculate axb
[298] Calculate axb - Look at the series (314, 412, a, 832, 848, b, 8480), determine the pattern, and calculate axb. - #brainteasers #math - Correct Answers: 34 - The first user who solved this task is Sanja Šabović
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Calculate axb

Look at the series (314, 412, a, 832, 848, b, 8480), determine the pattern, and calculate axb.
Correct answers: 34
The first user who solved this task is Sanja Šabović.
#brainteasers #math
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Four Surgeons

Four surgeons were sitting around discussing who they like to operate on.
The first surgeon said, "I like operating on librarians. When you open them up everything is in alphabetical order".
The second surgeon said, "I like operating on accountants. When you open them up everything is in numerical order".
The third surgeon said, "I like operating on electricians. When you open them up everything is color coded.
The fourth surgeon said, "I like operating on lawyers".
The other three surgeons looked at each other in disbelief. One of them asked why.
The fourth surgeon replied, "Because they are heartless, gutless, spineless, and their ass and head are interchangeable".

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Fire sprinkler patent

In 1872, the first U.S. patent for an automatic sprinkler system was issued to Phillip W. Pratt, of Abington, Mass., titled “Improvement in Fire-Extinguishers” (No. 131,370). The system consisted of overhead, pivoted water-arms or perforated pipes, which when connected to a supply of water from a supply-pipe would revolve rapidly, throwing water in all directions, wetting ceiling, walls and floor. This operation was controlled by a valve opened by a spring-loaded lever, held closed by a system of cords and fuses. In case of a fire, when the fuses ignited, the cords burned, and the valve opened releasing the scattered stream of water. Pratt was an inventor holding a number of other patents, and is also credited with demonstrating the first electrically powered automobile in the U.S., a tricycle, on 27 Jul 1888.
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