Find number abc
[7087] Find number abc - If 87c7a - 8c824 = cbb2 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 21
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Find number abc

If 87c7a - 8c824 = cbb2 find number abc. Multiple solutions may exist.
Correct answers: 21
#brainteasers #math
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After 3 years, the wife starts

After 3 years, the wife starts to think that their child looks different, so she decides to do a DNA test. She finds out that the child is actually from completely different parents.
Wife: Honey, I have something very serious to tell you.
Husband: What’s up?
Wife: According to DNA test results, this is not our child.
Husband: Well don’t you remember? When we were leaving the hospital, we noticed that our baby had a wet diaper and you said, “Honey, go change the baby, I’ll wait for you here.”
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Screw machine

In 1798, the first U.S. patent for a nut and bolt machine was issued to inventor David Wilkinson of Rhode Island. His machine for cutting screw threads incorporated a slide-rest, with a heavy carriage supported on three rollers Afterwards, his machine was operated by water power at Pawtucket Falls, RI. Wilson was a machinist who also produced iron forgings and castings for the cotton industry industry there, such as Slater's Mill. Wilkinson later produced a large general purpose lathe (1806), a pioneering advance that founded the American machine tool industry. [The first machine of importance for trimming the heads of nuts and bolts was invented later by Micah Rugg, who was issued U.S. patent No. 2,766 on 31 Aug 1842.]«
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