Find number abc
[6422] Find number abc - If baabc - 27ac0 = b99c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 26 - The first user who solved this task is Nílton Corrêa de Sousa
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Find number abc

If baabc - 27ac0 = b99c find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
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First Date

A young man called his mother and announced excitedly that he had just met the woman of his dreams. Now what should he do?
His mother had an idea: "Why don't you send her flowers, and on the card invite her to your apartment for a home-cooked meal?"
He thought this was a great strategy, and a week later, the woman came to dinner. His mother called the next day to see how things had gone.
"I was totally humiliated," he moaned. "She insisted on washing the dishes."
"What's wrong with that?" asked his mother.
"We hadn't started eating yet."

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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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