Calculate the number 3424
[7937] Calculate the number 3424 - NUMBERMANIA: Calculate the number 3424 using numbers [1, 8, 7, 2, 55, 571] 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 3424

NUMBERMANIA: Calculate the number 3424 using numbers [1, 8, 7, 2, 55, 571] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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A man is out shopping and disc...

A man is out shopping and discovers a new brand of Olympic condoms. Clearly impressed, he buys a pack. Upon getting home he announces to his wife the purchase he just made.
"Olympic condoms?" she blurts. "What makes them so special?"
"There are three colors", he replies, "Gold, Silver and Bronze."
"What color are you going to wear tonight?" she asks cheekily.
"Gold of course," says the man proudly.
The wife responds, "Really? Why don't you wear Silver? It would be nice if you came second for a change."
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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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