Calculate the number 472
[7695] Calculate the number 472 - NUMBERMANIA: Calculate the number 472 using numbers [9, 2, 1, 8, 12, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 472

NUMBERMANIA: Calculate the number 472 using numbers [9, 2, 1, 8, 12, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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The Invisible Man

A psychiatrist's secretary walks into his study and says, "There's a gentleman in the waiting room asking to see you. Claims he's invisible."

The psychiatrist responds, "Tell him I can't see him."

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Timecard clock

In 1888, Willard LeGrand Bundy, a jeweller, was issued the first U.S. patent for a time recording clock (No. 393,205). A workman inserted a key which actuating his number by engaging corresponding catches on a type-wheel mechanism. This printed his identification number and time on a paper tape. In this way, a company could save the expense of watchmen or time-keepers usually employed for the purpose of recording the time of arrival and departure of the employees. With his brother, Bundy formed the Bundy Manufacturing Company (1889), which later was consolidated into one of IBM's forerunners in 1902. Bundy clocks were also sold in England, where they were also used for time recording to regulate schedules on routes of trams and buses.
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