Calculate the number 1817
[394] Calculate the number 1817 - NUMBERMANIA: Calculate the number 1817 using numbers [9, 2, 1, 4, 49, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 29 - The first user who solved this task is Sanja Šabović
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Calculate the number 1817

NUMBERMANIA: Calculate the number 1817 using numbers [9, 2, 1, 4, 49, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 29
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Walk across the lake

At a family gathering, Fred's father, grandfather, and great-grandfather bragged that they had all been able to walk on water to the bar across the lake for their first legal drinks. So when Fred's 21st birthday came around, he rowed out to the center of the lake, stepped out of the boat, and nearly drowned. Fred climbed back in and went to see his grandmother.

"Grandma," he said, "it's my 21st birthday, so why can't I walk across the lake like my father, his father, and his father before him?"

Granny looked kindly into Fred's eyes and said, "Because they were all born in January, and you were born in August."

Joke found on https://www.sysnative.com/ on Ongoing Joke Thread forum, posted on Jun 6, 2013 by DonnaB

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Walter Schottky

Died 4 Mar 1976 at age 89 (born 23 Jul 1886).Swiss-born German physicist whose research in solid-state physics led to development of a number of electronic devices. He discovered the Schottky effect, an irregularity in the emission of thermions in a vacuum tube and invented the screen-grid tetrode tube (1915). The Schottky diode is a high speed diode with very little junction capacitance (also known as a "hot-carrier diode" or a "surface-barrier diode.") It uses a metal-semiconductor junction as a Schottky barrier, rather than the semiconductor-semiconductor junction of a conventional diode.«
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