Calculate the number 7747
[3696] Calculate the number 7747 - NUMBERMANIA: Calculate the number 7747 using numbers [4, 9, 6, 6, 31, 757] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Fazil Hashim
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Calculate the number 7747

NUMBERMANIA: Calculate the number 7747 using numbers [4, 9, 6, 6, 31, 757] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Fazil Hashim.
#brainteasers #math #numbermania
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Who is the Boss?

A guy is doing some handyman work at a house. Across the room is a large gray parrot on a perch. The family dog comes into the room and jumps up on the couch. The parrot says, “Get off the couch!” and the dog jumps down immediately.
A small child comes into the room with toys and the parrot says, “Go to your room!” and the child picks up his toys leaves without hesitation.
The guy turns to the parrot and says, “I’ve never seen anything like that before.'
The parrot looks at the guy and says, “Get back to work!”

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Aerosol spray patent

In 1939, the first U.S. patent for dispensing liquids under pressure from a disposable container was issued to Julius Seth Kahn of New York City (No. 2,170,531). The patent was titled "Apparatus For Mixing a Liquid With a Gas," but was the predecessor of the aerosol spray can. In this case, the patent more particularly specified a use for whipping cream "by discharging the cream and gas mixture through a constricted orifice." The cream could be contained in a common soda-pop glass bottle. Gas could be introduced at controlled pressure. An inexpensive valve discharged the whipped cream. Its use was extended to applications such as dispensing paints, pharmaceuticals and insecticides.
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