Find number abc
[8181] Find number abc - If 93b63 - b6aa8 = b668c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 1
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Find number abc

If 93b63 - b6aa8 = b668c find number abc. Multiple solutions may exist.
Correct answers: 1
#brainteasers #math
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A fifteen year-old boy came ho...

A fifteen year-old boy came home with a Porsche and his parents began to yell and scream, "Where did you get that car?"
He calmly told them, "I bought it today."
"With what money?" demanded his parents. We know what a Porsche costs..."
"Well," said the boy, "this one cost me fifteen dollars."
So the parents began to yell even louder. "Who would sell a car like that for fifteen dollars?" they asked.
"It was the lady up the street," said the boy. "Don't know her name - they just moved in. She saw me ride past on my bike and asked me if I wanted to buy a Porsche for fifteen dollars."
"Oh no!" moaned the mother, "She must be a child abuser. Who knows what she will do next? John, you go right up there and see what's going on."
So the boy's father walked up the street to the house where the lady lived and found her out in the yard calmly planting petunias. He introduced himself as the father of the boy to whom she had sold a Porsche for fifteen dollars and demanded to know why she did it.
"Well," she said, "this morning I got a phone call from my husband. I thought he was on a business trip, but learned from a friend he has run off to Hawaii with his secretary and really doesn't intend to come back. He claimed he was stranded and asked me to sell his new Porsche and send him the money. So I did."
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Safety lamp

In 1816, Sir Humphry Davy's safety lamp was first used in a coal mine. Deadly explosions had been a continual hazard caused by the flammable gas, methane, leaking out of the coal seams ignited by the flame of a miner's lamp. There had been previous attempts by others to make a safety lantern. Davy applied a scientific approach to determine the suitable fineness of wire gauze placed around the flame which would avoid ignition of flammable gas outside. He determined that the holes in the gauze should be less than 1/22 inch in diameter, and that the wire itself should be between 1/40 to 1/60 inch thick. Since the flame changed colour in the presence of methane, it also served as a warning to the miner to take protective action.«[Image: Davy safety lamp, circa 1816.]
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