Calculate the number 4065
[516] Calculate the number 4065 - NUMBERMANIA: Calculate the number 4065 using numbers [3, 5, 6, 7, 96, 227] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 27 - The first user who solved this task is Sanja Šabović
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Calculate the number 4065

NUMBERMANIA: Calculate the number 4065 using numbers [3, 5, 6, 7, 96, 227] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 27
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Worms

Little Johnny watched the science teacher start the experiment with the worms. Four worms were placed into four separate jars.
The first worm was put into a jar of alcohol
The second worm was put into a jar of cigarette smoke.
The third worm was put into a jar of sperm.
The fourth worm was put into a jar of soil.
After one day, these were the results:
The first worm in alcohol - dead.
Second worm in cigarette smoke - dead.
Third worm in sperm - dead.
Fourth worm in soil - alive.
So the Science teacher asked the class - "What can you learn from this experiment."
Little Johnny quickly raised his hand and said - "As long as you drink, smoke and have sex, you won't have worms."      

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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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