Find number abc
[7520] Find number abc - If bb2cc - b0ab2 = a539 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 3
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Find number abc

If bb2cc - b0ab2 = a539 find number abc. Multiple solutions may exist.
Correct answers: 3
#brainteasers #math
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Little Johnny was sitting in c...

Little Johnny was sitting in class doing math problems when his teacher picked him to answer a question:

"Johnny, if there were five birds sitting on a fence and you shot one with your gun, how many would be left ?"

"None.", replied Johnny. "'cause the rest would fly off."

"The correct answer is four," said the teacher. "But I like your thinking."

Little Johnny said, "I have a question for you now. If there were three women eating ice cream cones in a shop, one licking her cone, the second biting her cone, and the third one sucking her cone, which one is married ?

"Well," said the teacher nervously, "I guess the one sucking her cone?"

"No," said Little Johnny, "The one with the wedding ring on her finger. But I like the way you think!"
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Flotation process patent

In 1898, English brothers Alexander and Francis El applied for a British patent (No. 21,948) for their flotation process to separate valuable ore, such as copper, from the gangue (worthless rock) with which it is associated when mined. It was the first practical equipment to extract metals from low-content ore. Pulverized ore is mixed with water and brought into contact with thick oil. The oil entraps the metallic constituents, which are afterwards separated, and gangue passed away with the water. Today, flotation methods remain vital in the mining industry, processing millions of tons of ores each year.
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