Calculate the number 393
[8063] Calculate the number 393 - NUMBERMANIA: Calculate the number 393 using numbers [7, 4, 4, 6, 29, 113] 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 393

NUMBERMANIA: Calculate the number 393 using numbers [7, 4, 4, 6, 29, 113] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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Final Exam

A college teacher reminds her class of tomorrow's final exam. 'Now class, I won't tolerate any excuses for you not being here tomorrow. I might consider a nuclear attack or a serious personal injury, illness, or a death in your immediate family, but that's it, no other excuses whatsoever!' 

A smart-ass student in the back of the room raised his hand and asked, 'What would you say if tomorrow I said I was suffering from complete and utter sexual exhaustion?'
The entire class is reduced to laughter and snickering. When silence was restored, the teacher smiled knowingly at the student, shook her head and sweetly said, 'Well, I guess you'd have to write the exam with your other hand.'

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African-American patents an ironing board

In 1892, a U.S. patent for a specialized “Ironing Board” was issued to the black American inventor, Sarah Boone, likely a former slave (No. 473,653). Her design featured a quite narrow padded board, curved to make it easier to iron sleeves. Numerous patents were issued before hers with similar titles. The first patent designated specifically as an “Ironing Table” was issued several decades earlier, in 1858, to W. Vandenburg and J. Harvey (No. 19,390). Unpatented styles evolved from long long before that, so no single inventor can be identified for the earliest ironing board. For example, J.H. Mallory's “Ironing Table,” patented 24 Oct 1871 (No. 120,296) more closely resembles today's adjustable-height, collapsible model.«
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