Calculate the number 1968
[5093] Calculate the number 1968 - NUMBERMANIA: Calculate the number 1968 using numbers [3, 8, 6, 3, 78, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 16 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1968

NUMBERMANIA: Calculate the number 1968 using numbers [3, 8, 6, 3, 78, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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The Sailor And The Pirate

A sailor meets a pirate in a bar, and take turns boasting of their adventures on the high seas. The sailor notes that the pirate has a peg-leg, hook, and an eyepatch.

The sailor asks "So, how did you end up with the peg-leg?"

The pirate replies "We were in a storm at sea, and I was swept overboard into a school of sharks. Just as my men were pulling me out a shark bit my leg off."

"Wow!" said the sailor. "What about your hook"?

"Well...", replied the pirate, "While my men and I were plundering in the middle east, I was caught stealing from a merchant and the punishment for theft in the middle east is the loss of the hand that steals"

"Incredible!" remarked the sailor. "How did you get the eyepatch"?

"A sea gull dropping fell into my eye.", replied the pirate.

"You lost your eye to a sea gull dropping?" the sailor asked incredulously.

"Well...", said the pirate, "..it was my first day with the hook."

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Screw-blank feeder mechanism

In 1856, Cullen Whipple, of Providence, RI, patented a screw-blank feeder mechanism (U.S. No. 15,052). In Oct 1840, he was one of ten incorporators of The New England Screw Co. He invented a machine for the company to use cutting the threads of screws (patented 18 Aug 1842) which he later improved by adding more cutters to also point the screws in the same machine (patent No. 9,477, 14 Dec 1852). He patented various other devices for improving the manufacture of screws. He has been credited* as the inventor of the first practical machine for pointing screws. Early screws had no point and required that a starter hole be drilled before use.«[Note: Famous First Facts by Joseph Nathan Kane incorrectly cites this screw-blank feeder mechanism's 3 Jun 1856 date and patent number as the first practical screw-pointing machine patent. In fact, Whipple invented his screw pointing machine four years earlier - in 1852.]
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