Find number abc
[7509] Find number abc - If 9a82b - 798ca = 1a967 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 3
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Find number abc

If 9a82b - 798ca = 1a967 find number abc. Multiple solutions may exist.
Correct answers: 3
#brainteasers #math
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Ever go fishing?

A man was speeding down the highway, feeling secure in a gaggle of cars all traveling at the same speed. However, as they passed a speed trap, he got nailed with an infrared speed detector and was pulled over.

The officer handed him the citation, received his signature and was about to walk away when the man asked, "Officer, I know I was speeding, but I don't think it's fair - there were plenty of other cars around me who were going just as fast, so why did *I* get the ticket?"

"Ever go fishing?" the policeman suddenly asked the man.

"Ummm, yeah..." the startled man replied.

The officer grinned and added, "Ever catch *all* the fish?"

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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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