Find number abc
[6589] Find number abc - If 81c13 - c2426 = 2ba87 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 24 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 81c13 - c2426 = 2ba87 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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A Scotsman, American, and an I...

A Scotsman, American, and an Irishman are in a bar. They are having a good time and all agree that the bar is a nice place.
Then the Scotsman says, "Aye, this is a nice bar, but where I come from, back in Glasgow, there's a better one. At MacDougal's, you buy a drink, you buy another drink, and MacDougal himself will buy your third drink!"
The others agree that sounds like a good place.
Then the American says, "Yeah,that's a nice bar, but where I come from, there's a better one. Over in Brooklyn, there's this place, Vinny's. At Vinny's, you buy a drink, Vinny buys you a drink. You buy another drink, Vinny buys you another drink."
Everyone agrees that sounds like a great bar.
Then the Irishman says, "You think that's great? Where I come from in Dublin, there's this place called Murphy's. At Murphy's, they buy you your first drink, they buy you your second drink, they buy you your third drink, and then, they take you in the back and get you laid!"
"Wow!" say the other two. "That's fantastic! Did that actually happen to you?"
"No," replies the Irish guy, "but it happened to my sister!"
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Screw-blank feeder mechanism

In 1856, Cullen Whipple, of Providence, RI, patented a screw-blank feeder mechanism (U.S. No. 15,052). In Oct 1840, he was one of ten incorporators of The New England Screw Co. He invented a machine for the company to use cutting the threads of screws (patented 18 Aug 1842) which he later improved by adding more cutters to also point the screws in the same machine (patent No. 9,477, 14 Dec 1852). He patented various other devices for improving the manufacture of screws. He has been credited* as the inventor of the first practical machine for pointing screws. Early screws had no point and required that a starter hole be drilled before use.«[Note: Famous First Facts by Joseph Nathan Kane incorrectly cites this screw-blank feeder mechanism's 3 Jun 1856 date and patent number as the first practical screw-pointing machine patent. In fact, Whipple invented his screw pointing machine four years earlier - in 1852.]
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