Find number abc
[5920] Find number abc - If a876b + a6ca0 = 7b6cb find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 21 - The first user who solved this task is Nasrin 24 T
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Find number abc

If a876b + a6ca0 = 7b6cb find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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A man in a hot air balloon rea...

A man in a hot air balloon realized he was lost. He reduced altitude and spotted a woman below. He descended a bit more and shouted, "Excuse me, can you help? I promised a friend I would meet him an hour ago, but I don't know where I am." The woman below replied, "You are in a hot air balloon hovering approximately 30 feet above the ground. You are between 40 and 41 degrees north latitude and between 59 and 60 degrees west longitude."
"You must be an engineer," said the balloonist.
"I am," replied the woman, "How did you know?"
"Well," answered the balloonist, "everything you told me is, technically correct, but I have no idea what to make of your information, and the fact is I am still lost. Frankly, you've not been much help so far."
The woman below responded, "You must be in Management."
"I am," replied the balloonist, "but how did you know?"
"Well," said the woman, "you don't know where you are or where you are going. You have risen to where you are, due to a large quantity of hot air. You made a promise which you have no idea how to keep, and you expect people beneath you to solve your problems. The fact is you are in exactly the same position you were in before we met, but now, somehow, it's my fault."
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Bonaventura Cavalieri

Died 30 Nov 1647 (born 1598). Italian mathematician who made developments in geometry that were precursors to integral calculus. Cavalieri's theory of indivisibles, presented in his Geometria indivisibilis continuorum nova (1635) was a development of Archimedes' method of exhaustion incorporating Johannes Kepler's theory of infinitesimally small geometric quantities. The area and volume of various geometric figures can easily be found with this method. He was largely responsible for introducing logarithms as a computational tool in Italy through his book Directorium Generale Uranometricum, including logarithms of trigonometric functions for astronomers. He also wrote on optics and astronomy. Galileo thought highly of his writing, and corresponded with him.
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