Find number abc
[5387] Find number abc - If ac5a1 + b52c9 = 155b9c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 40 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If ac5a1 + b52c9 = 155b9c find number abc. Multiple solutions may exist.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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A passenger train is creeping...

A passenger train is creeping along, slowly. Finally it creaks to a halt. A passenger sees a conductor walking by outside.
"What's going on?" she yells out the window.
"Cow on the track!" replies the conductor.
Ten minutes later, the train resumes its slow pace.
Within five minutes, however, it stops again.
The woman sees the same conductor walk again.
She leans out the window and yells, "What happened? Did we catch up with the cow again?"
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Brook Taylor

Died 29 Dec 1731 at age 46 (born 18 Aug 1685).British mathematician, best known for the Taylor's series, a method for expanding functions into infinite series. In 1708, Taylor produced a solution to the problem of the centre of oscillation. His Methodus incrementorum directa et inversa (“Direct and Indirect Methods of Incrementation,” 1715) introduced what is now called the calculus of finite differences. Using this, he was the first to express mathematically the movement of a vibrating string on the basis of mechanical principles. Methodus also contained Taylor's theorem, later recognized (1772) by Joseph Lagrange as the basis of differential calculus. A gifted artist, Taylor also wrote on basic principles of perspective (1715) containing the first general treatment of the principle of vanishing points.«
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