How many times can you subtr...
[2344] How many times can you subtr... - How many times can you subtract the number 5 from 25? - #brainteasers #math #riddles - Correct Answers: 129 - The first user who solved this task is Djordje Timotijevic
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How many times can you subtr...

How many times can you subtract the number 5 from 25?
Correct answers: 129
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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Actuary vs. Mafia

What's the difference between an insurance company actuary and a mafia actuary?
An insurance company actuary can tell you how many people will die this year.
A mafia actuary can name them.

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Hermann von Helmholtz

Died 8 Sep 1894 at age 73 (born 31 Aug 1821). Hermann Ludwig Ferdinand von Helmholtz was a German physiologist and physicist who contribed much to physiology, optics, electrodynamics, mathematics, and meteorology, including the law of the conservation of energy (1847). He also developed thermodynamics, in particular introducing concept of free energy. In 1850, he measured the speed of a nerve impulse and, in 1851, invented the ophthalmoscope. He discovered the function of the cochlea in the inner ear and developed Thomas Young's theory of colour vision (published 1856). His study of muscle action led him to formulate a much more accurate theory concerning the conservation of energy than earlier proposed by Robert Mayer and James Joule.
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