Find number abc
[6906] Find number abc - If 58613 - bcc01 = b8a1b find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 17 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 58613 - bcc01 = b8a1b find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Three Bears

It's a sunny morning in the Big Forest and the Bear family are just waking up. Baby Bear goes downstairs and sits in his small chair at the table. He looks into his small bowl. It is empty!

"Who's been eating my porridge?!" he squeaks.

Daddy Bear arrives at the table and sits in his big chair. He looks into his big bowl. It is also empty!

"Who's been eating my porridge?!" he roars.

Mummy Bear puts her head through the serving hatch from the kitchen and screams, "For God's sake, how many times do we have to go through this? I haven't made the porridge yet!!"

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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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