MATH PUZZLE: Can you replace...
[4147] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 192 - The first user who solved this task is Fuad Khalil Ibraheem
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 192
The first user who solved this task is Fuad Khalil Ibraheem.
#brainteasers #math #riddles
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Gave a bum five whole dollars

A woman was chatting with her next-door neighbor. "I feel really good today. I started out this morning with an act of unselfish generosity. I gave a five dollar bill to a bum."

"You gave a bum five whole dollars? That's a lot of money to just give away. What did you husband say about it?"

"Oh, he thought it was the proper thing to do. He said, 'Thanks.'"

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Charles Martin Hall

Born 6 Dec 1863; died 27 Dec 1914 at age 51.American chemist who invented the inexpensive electrolytic method of extracting aluminium from its ore, enabling the wide commercial use of this metal. While a young chemist, he experimented in a woodshed, intent upon finding a method for separating aluminum from its ore. At first, he was unsuccessful, but then realized that he needed a nonaqueous solvent for the aluminum oxide during electrolysis. On 23 Feb 1886, Hall found that molten cryolite (the mineral sodium aluminum fluoride) was a suitable solvent and using carbon electrodes with home-made batteries, he produced his first small globules of aluminum. By 1914, Hall's process had brought the cost of aluminium, once a precious metal used for fine jewelry, down to 18 cents a pound.«
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