Calculate the number 1991
[7965] Calculate the number 1991 - NUMBERMANIA: Calculate the number 1991 using numbers [4, 6, 6, 6, 74, 713] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 1991

NUMBERMANIA: Calculate the number 1991 using numbers [4, 6, 6, 6, 74, 713] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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During a training session at a...

During a training session at an artillery unit the sergeant-major was busy describing how the sophisticated aiming device of the artillery weapon system is used:
"As you all know, there are 180 degrees in a circle."
One of the soldiers put up his hand and said: "But there are 360 degrees in a circle, sergeant-major."
"You idiot," replied the sergeant-major, "I am obviously speaking about a small circle!"
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Francesco Zantedeschi

Died 29 Mar 1873 (born 1797).Italian priest and physicist, who published papers (1829, 1830) on the production of electric currents in closed circuits by the approach and withdrawal of a magnet, preceding Faraday's classic experiment of 1831. Studying the solar spectrum, Zantedeschi was among the first to recognize the marked absorption by the atmosphere of the red, yellow, and green light. Though not confirmed, he also thought he detected a magnetic action on steel needles by ultra-violet light (1838), at least suspecting a connection between light and magnetism many years before Clerk-Maxwell's announcement (1867) of the electromagnetic theory of light. He experimented on the repulsion of flames by a strong magnetic field.«
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