Find number abc
[7415] Find number abc - If 7b2c3 - ac210 = 1a083 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 2
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Find number abc

If 7b2c3 - ac210 = 1a083 find number abc. Multiple solutions may exist.
Correct answers: 2
#brainteasers #math
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Heads or tails

The blonde reported for her university final examination that consists of yes/no type questions.

She takes her seat in the examination hall, stares at the question paper for five minutes and then, in a fit of inspiration, takes out her purse, removes a coin and starts tossing the coin, marking the answer sheet: Yes for heads, and no for tails.

Within half an hour she is all done, whereas the rest of the class is still sweating it out.

During the last few minutes she is seen desperately throwing the coin, muttering and sweating.

The moderator, alarmed, approaches her and asks what is going on.

"I finished the exam in half an hour, but now I'm rechecking my answers."

Submitted by Calamjo

Edited by Curtis

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Gottlob Frege

Died 26 Jul 1925 at age 76 (born 8 Nov 1848). Friedrich Ludwig Gottlob Frege was a German mathematician and logician who founded modern symbolic logic and was the first to show mathematics as actually an extension of logic. He extended Boole's work by inventing logical symbols (symbols for “or”, “if-then”, etc.) that improved on the syllogistic logic it replaced. He also worked on general questions of philosophical logic and semantics. His theory of meaning, based on makig a distinction between what a linguistic term refers to and what it expresses, is still influential. Frege tried to provide a rigorous foundation for mathematics on the basis of purely logical principles, but abandoned the attempt when Bertrand Russell, on whose work he had a profound influence, pointed out a paradox that made the system inconsistent.
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