Calculate the number 393
[8063] Calculate the number 393 - NUMBERMANIA: Calculate the number 393 using numbers [7, 4, 4, 6, 29, 113] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 393

NUMBERMANIA: Calculate the number 393 using numbers [7, 4, 4, 6, 29, 113] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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Lumberyard

Jon's working at the lumberyard, pushing a tree through the buzz saw, and accidentally shears off all ten of his fingers. He goes to the emergency room.
The doctor says, "Yuck! Well, give me the fingers, and I'll see what I can do."
Jon says, "I haven't got the fingers."
The doctor says, "What do you mean, you haven't got the fingers? It's 1999. We've got microsurgery and all kinds of incredible techniques. I could have put them back on and made you like new. Why didn't you bring the fingers?"
Jon says, "Well, sh*t, Doc, I couldn't pick 'em up."    

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Industrial calcium carbide

In 1892, an industrial method for the production of calcium carbide was discovered by Thomas L. Wilson. He and business partner John Motley Morehead III, had an electric arc furnace, built of brick with a coal floor, at Spray, North Carolina. Willson was attempting to produce metallic calcium from coal tar and burnt chalk (lime) in the furnace with which he hoped to reduce aluminium oxide to produce aluminium, the goal of their business. Instead, by chance, he found a hard crystalline solid, which gave off a gas when dropped in water. The gas burned with a bright, smoky flame. A sample was tested by Dr. Venable, Morehead's chemistry professor. He identified the calcium carbide and acetylene gas. This discovery eventually led to the formation of Union Carbide Company, which Morehead cofounded.«
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