Calculate the number 3811
[7246] Calculate the number 3811 - NUMBERMANIA: Calculate the number 3811 using numbers [9, 9, 1, 2, 40, 374] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 3
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Calculate the number 3811

NUMBERMANIA: Calculate the number 3811 using numbers [9, 9, 1, 2, 40, 374] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
#brainteasers #math #numbermania
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It was the first day of school...

It was the first day of school and the teacher was asking the little boy about his family.
"And what does your Daddy do?"
"He's a magician."
"That must be exciting, what tricks can he do?"
"He can saw people in half."
"That is clever, and tell me do you have any brothers or sisters?"
"Yes, one half brother, and two half sisters."
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Chester F. Carlson

Died 19 Sep 1968 at age 62 (born 8 Feb 1906). Chester Floyd Carlson was an American physicist who invented xerography (22 Oct 1938), an electrostatic dry-copying process that found applications ranging from office copying to reproducing out-of-print books. The process involved sensitizing a photoconductive surface to light by giving it an electrostatic charge Carlson developed it between 1934 and 1938, and initially described it as electrophotography It was immediately protected by Carlson with an impenetrable web of patents, though it was not until 1944 that he was able to obtain funding for further development. In 1947 he sold the commercial rights for his invention to the Haloid Company, a small manufacturer of photographic paper (which later became the Xerox Corporation).
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