Find number abc
[7870] Find number abc - If 92717 - 2baba = c8a7b find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 2
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Find number abc

If 92717 - 2baba = c8a7b find number abc. Multiple solutions may exist.
Correct answers: 2
#brainteasers #math
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Defective nails...?

Two guys were doing construction on a house. One of them who was nailing down siding would reach into his nail pouch, pull out a nail, and then either toss it over his shoulder or nail it into the siding.

The other guy, figuring this was worth looking into, asked, "Why are you throwing those nails away?"

The first guy explained, "If I pull a nail out of my pouch and it's pointed towards me, I throw it away 'cause it's defective. If it's pointed toward the house, then I nail it into the siding."

The second guy was outraged. He yelled, "You moron! The nails pointed towards you aren't defective! They're for the other side of the house!"

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Thomas Tredgold

Born 22 Aug 1788; died 28 Jan 1829 at age 40. English railway engineer and writer who started as a cabinet-maker, then studied architecture and engineering, and by 1823 started private practice as a civil engineer. His book Elementary Principles of Carpentry (1820) was the first serious manual on the subject, including the strength of timber. He also wrote manuals on the Strength of Cast Iron (1821), extending the investigations of Thomas Young, heating of buildings, and The Steam Engine: its invention and progressive improvement. (1827). Five years before the first passenger train began service, his book on railways, Practical Treatise on Rail-Roads and Carriages (1825), also assessed the economic value of this 19th century breakthrough technology over that of canals and roads.«
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