Replace the question mark with a number
[4257] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 157 - The first user who solved this task is H Tav
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 157
The first user who solved this task is H Tav.
#brainteasers #math #riddles
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Jeff beckoned to a salesman in...

Jeff beckoned to a salesman in the department store, pointed to white wool designer dress on a mannequin that Eunice was admiring, and asked, "Excuse me young lady, how much is this dress?"
"That dress is £899.95, Sir," sneered the rather snotty saleswoman.
"£899.95? For £99.95 I could get the same dress at the Bargain store downtown!"
"But sir," said the saleswoman, "You'll find that the dress downtown is recycled wool. This original is 100% pure virgin wool."
Jeff says, "So? For £800 I should care what the lambs do at night?"
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James Beaumont Neilson

Born 22 Jun 1792; died 18 Jan 1865 at age 72.Scottish inventor who introduced the use of a hot-air blast instead of a cold-air blast for the smelting of iron. His process reduced the amount of coal needed and increased efficiency to satisfy the demands of the rail and shipbuilding industries. While manager of the Glasgow Gas-works, he had experimented with the effect of heated air on the illuminating power of gas, by bringing up a stream of it in a tube so as to surround the gas burner. He found the combustion of the gas was more intense and brighter. Then, experimenting on a common smith's fire, by blowing the fire with heated air, the effect was the same; the fire was much more brilliant, and accompanied by an unusually intense degree of heat. In 1828, he patented his hot blast method for smelting.[Image: typical layout 1870's hot air blast furnace]
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