Calculate the number 905
[6083] Calculate the number 905 - NUMBERMANIA: Calculate the number 905 using numbers [7, 2, 4, 3, 46, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 6 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 905

NUMBERMANIA: Calculate the number 905 using numbers [7, 2, 4, 3, 46, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 6
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Drummer Problems

A musical director was having a lot of trouble with one drummer. He talked and talked and talked with the drummer, but his performance simply didn't improve.
Finally, before the whole orchestra, he said, "When a musician just can't handle his instrument and doesn't improve when given help, they take away the instrument, and give him two sticks, and make him a drummer."
A stage whisper was heard from the percussion section: "And if he can't handle even that, they take away one of his sticks and make him a conductor."

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John Thorp

Died 15 Nov 1848 (born 1784).American inventor of the ring spinning machine (1828), which by the 1860s had largely replaced Samuel Crompton's spinning mule in the world's textile mills because of its greater productivity and simplicity. The ring frame is a continuous spinner, which spins yarn and winds it onto bobbins in one motion, while the mule was a discontinuous spinner, first spinning a length of yarn and then winding that length onto bobbins separately. In ring spinning, a "c"-ring travels at a high speed around a grooved circular raceway mounted on a plate, which in turn travels up and down the spinning bobbin.
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