Replace the question mark with a number
[2706] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 342 - The first user who solved this task is Roxana zavari
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 342
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
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A grocer put up a sign that re...

A grocer put up a sign that read "Eggplants, 25 cents each — three for a dollar."
All day long, customers came in exclaiming: "Don't be ridiculous! I should get four for a dollar!"
Meekly the grocer agreed and packaged four eggplants. The tailor next door had been watching these antics and finally asked the grocer, "Aren't you going to fix the mistake on your sign?"
"What mistake?" the grocer asked. "Before I put up that sign no one ever bought more than one eggplant."
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Urea synthesis

In 1828, German biochemist Friedrich Wöhler informed Jakob Berzelius that he had synthesized the organic chemical, urea. This was a landmark event, for it was the first time a material previously only associated with the body function of a living thing, was made from inorganic chemicals of non-living origin. In this case, urea had formerly been known only from the urine of animals.
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