Find number abc
[3918] Find number abc - If c0a1b - 24cbb = 65a80 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 45 - The first user who solved this task is Thinh Ddh
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Find number abc

If c0a1b - 24cbb = 65a80 find number abc. Multiple solutions may exist.
Correct answers: 45
The first user who solved this task is Thinh Ddh.
#brainteasers #math
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The photographer for a nationa...

The photographer for a national magazine was assigned to get photos of an enormous forest fire. Smoke at the scene was too thick to get any good shots, so he frantically called his home office to hire a plane. 
"It will be waiting for you at the airport!" he was assured by his editor. 
As soon as he got to the small, rural airport, sure enough, a plane was warming up near the runway. He jumped in with his equipment and yelled, "Let's go! Let's go!" The pilot swung the plane into the wind and soon they were in the air. 
"Fly over the north side of the fire," said the photographer, "and make three or four low level passes." 
"Why?" asked the pilot. 
"Because I'm going to take pictures! I'm a photographer, and photographers take pictures!" said the photographer with great exasperation and impatience. 
After a long pause the pilot said, "You mean you're not the instructor?" 
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Bolt trimming machine patent

In 1842, the first U.S. patent for a machine to trim the heads of nuts and bolts was issued to Micah Rugg (No. 2,766). In 1838, Rugg had a blacksmith shop where with Martin Barnes, he began making bolts and nuts for the market. Together, in 1840, they established the first U.S. nuts and bolts factory in Marion, Connecticut. It was a specially-designed one-story, 30 ft by 20 ft, wooden building where with six employees, their capacity production was 500 bolts a day. (Prior to 1838, when they started making bolts commercially, these articles were hammered out and hand-finished by blacksmiths. An earlier but impractical machinehad been patented by David Wilkinson of Rhode Island on 14 Dec 1798.)
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