MATH PUZZLE: Can you replace...
[4222] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 286 - The first user who solved this task is Thinh Ddh
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 286
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
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One evening, a man gave his ti...

One evening, a man gave his tipsy secretary a ride home after an office party. His wife was prone to jealousy, so he didn't mention the incident to her.
Later in the evening, he was driving his wife to a restaurant when he noticed a stiletto-heeled shoe half-hidden under the passenger seat. Gripped with terror, he took advantage of a moment when she wasn't looking to grab the shoe and throw it out of the window.
The rest of the journey went well until they arrived at the restaurant.
"That's strange," said his wife, looking a little agitated. "Have you seen my other shoe?"
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Vacuum cleaner

In 1869, Ives W. McGaffney of Chicago obtained the first American patent for a "sweeping machine" (U.S. No. 91,145). This first suction-type vacuum cleaner was a light hand-powered device for surface cleaning. The mechanism consists of a handle to turn a pulley which uses a belt to drive a fan in a casing, thus producing a strong current of air, "controlled to take up dust and dirt, and carry the fine particles into a porous air-chamber, so constructed as to allow the air to escape while the dust is retained." The air-chamber could be "a bag made of fine and firm cotton, with an elastic band or cord fixed in a hem around its mouth, which is drawn closely over the discharge-opening of the fan." Its top end is suspended on a cross-bar on the handle.
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