Calculate the number 2378
[3211] Calculate the number 2378 - NUMBERMANIA: Calculate the number 2378 using numbers [4, 9, 3, 4, 41, 567] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 33 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 2378

NUMBERMANIA: Calculate the number 2378 using numbers [4, 9, 3, 4, 41, 567] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Blonde Paint Job

A blonde, wanting to earn some money, decided to hire herself out as a handyman-type and started canvassing a wealthy neighborhood. She went to the front door of the first house and asked the owner if he had any jobs for her to do.
"Well, you can paint my porch. How much will you charge?"
The blonde said, "How about 50 dollars?" The man agreed and told her that the paint and ladders that she might need were in the garage. The man's wife, inside the house, heard the conversation and said to her husband, "Does she realize that the porch goes all the way around the house?"
The man replied, "She should. She was standing on the porch."
A short time later, the blonde came to the door to collect her money. "You're finished already?" he asked.
"Yes," the blonde answered, "and I had paint left over, so I gave it two coats. "Impressed, the man reached in his pocket for the $50. "And by the way," the blonde added, "that's not a Porch, it's a Ferrari."
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Dry-cell patent

In 1886, German scientist, Dr. Carl Gassner, was issued a German patent (No. 37,758) for the first "dry" cell, which used zinc as its primary ingredient. He encased the cell chemicals in a sealed zinc container. Gassner's battery was much like the carbon-zinc, general-purpose batteries on the market today. Gassner also patented his invention in Austria, Belgium, England, France and Hungary in the same year. A U.S. patent was issued to Gassner in 1887 (No. 373,064) on 15 Nov 1887. In America, by 1896, the Nation Carbide Company, later Union Carbide and Eveready, produced the first consumer dry cell battery. Two years later, the company made the first D cell. Combined with the invention of incandescent light bulbs, portable electric lights became common.«[Image: The six-inch, 1.5 volt Columbia Dry Cell marketed by NCC in 1896.]
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