Find number abc
[6141] Find number abc - If c780b - a2cb0 = bbabb find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 25 - The first user who solved this task is Nasrin 24 T
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Find number abc

If c780b - a2cb0 = bbabb find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Special cow?

There was a nun whose old body began to surrender to time. Her doctor prescribed for her a shot of whiskey three times a day to relax her. Not to be lured into "worldly pleasures", she huffily declined.

But the Mother Superior knew the elderly sister loved milk. So she instructed the kitchen to spike the milk three times a day.

After a few more years, even that spiked milk couldn't help and the aged sister approached her final hour. As several nuns gathered around her at her bedside, the Mother Superior asked if she wanted to leave them with any words of wisdom.

"Oh, yes," she replied. "Never sell that cow!"

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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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