Can you replace the question...
[1947] Can you replace the question... - Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 217 - The first user who solved this task is Djordje Timotijevic
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Can you replace the question...

Can you replace the question mark with a number?
Correct answers: 217
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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Not speaking...

Following an especially angry argument, Mr. and Mrs. Smith went to bed not speaking to each other. Needing to arise early the following morning, Mr. Smith left a note on his wife's bedside table that said "Wake me at six."

An exasperated Mr. Smith awoke at ten the following morning and rolled stiffly out of bed to see a note on his bedside table: "It's six, you bum! Get out of bed!"

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Frederick Scott Archer

Died 2 May 1857 (born 1813).English inventor of the wet-collodian process, the first practical photographic process which enabled making additional copies of a picture, that was used from 1851 until about 1880. While serving as a silversmith's apprentice, he transferred his interest from sculpture and coin design to seeking an improve photographic process. By 1848, he had discovered that collodion, a solution of gun-cotton in ether, could make plates superior to either Henry Talbot's calotype or the daguerrotype. Although sensitivity required fresh preparation and use while still moist, this new “wet plate”photography was favoured for three decades. Having never patented his process, Archer made no commercial gain for his process, and was in poverty when he died.«
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