Find number abc
[7199] Find number abc - If bb122 - b24cb = cbab find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 6
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Find number abc

If bb122 - b24cb = cbab find number abc. Multiple solutions may exist.
Correct answers: 6
#brainteasers #math
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Avoiding A Big Object

Driving to work, a gentlman had to swerve to avoid a box that fell out of a truck in front of him. Seconds later, a policeman pulled him over for reckless driving. Fortunately, another officer had seen the carton in the road. The policmen stopped traffic and recovered the box. It was found to contain large upholstery tacks.
"I'm sorry sir," the first trooper told the driver, "but I am still going to have to write you a ticket."
Amazed, the driver asked for what.
The trooper replied, "Tacks evasion."
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First use of chemical symbols in British textbook.

In 1832, Edward Turner wrote a Preface to the 4th edition of his textbook, Elements of Chemistry (published 1833), in which he explained his use of symbols to represent reactants and products in a chemical reaction of Cyanogen, because he found they solved the difficulty of giving a “clear and concise description of. the phenomena in ordinary language.” His was the first use of chemical symbols in a British chemistry textbook. Turner used some algebra-type notation as suggested by William Whewell with parts of Jöns Jacob Berzelius's system, in which iron was represented by Fe (from Ferrum) and oxygen by O. Thus Fe + O represented one oxide of iron, and 2Fe + 3O represented another. Dots over the symbol indicated degree of oxidation, and an underline stood for two equivalents of a substance.«
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