Find number abc
[2610] Find number abc - If 74ca5 - 4aab2 = a157a find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 73 - The first user who solved this task is Donya Sayah30
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Find number abc

If 74ca5 - 4aab2 = a157a find number abc. Multiple solutions may exist.
Correct answers: 73
The first user who solved this task is Donya Sayah30.
#brainteasers #math
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Bubba and Junior were standing...

Bubba and Junior were standing at the base of a flagpole, looking up.
A woman walked by and asked what they were doing. "We're supposed to find the height of the flagpole," said Bubba, "but we don't have a ladder."
The woman took a wrench from her purse, loosened a few bolts, and laid the pole down. Then she took a tape measure from her pocket, took a measurement, announced, "Eighteen feet, six inches," and walked away.
Junior shook his head and laughed. "Ain't that just like a dumb blonde! We ask for the height, and she gives us the length!"
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Perkin patent for aniline dye

In 1856, William Henry Perkin, an English chemist, applied for a British patent titled "Dyeing Fabrics" for his invention of aniline dye "producing a new coloring matter for dyeing with a lilac or purple color stuffs of silk, cotton, wool or other materials." It was sealed on 20 Feb 1857. This was the first synthetic dye, which he obtained at first unintentionally from coal tar (a by-product of coal gas production) while seeking a method to prepare the anti-malarial drug quinine from that source. Perkin was just 18 years old. With help from his father and brother, he began manufacturing the dye, which he called Tyrian purple. Within a few years, he was wealthy and in in 1873 sold the business to turn to chemistry full-time.«
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