Calculate the number 6942
[5876] Calculate the number 6942 - NUMBERMANIA: Calculate the number 6942 using numbers [8, 5, 3, 7, 19, 524] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 15 - The first user who solved this task is Nílton Corrêa De Sousa
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Calculate the number 6942

NUMBERMANIA: Calculate the number 6942 using numbers [8, 5, 3, 7, 19, 524] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 15
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #numbermania
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One wish

A guy walking along the beach finds a bottle and picks it up.

A genie pops out and says, "Thanks for letting me out. For your kindness I will grant you one wish."

The guys says, "I've always wanted to go to Hawaii, but I can't because I'm afraid to fly and ships make me deathly sick. My wish is for you to build a road from here to Hawaii."

The genie says, "I'm sorry, but I don't think I can do that. Just think of all the work involved. Think of the huge pilings we'd need to hold up that highway and how deep they would have to be to reach the bottom of the ocean. And think of all the cement that would be needed. Plus, since it's such a long span, there would have to be gas stations and rest stops along the way. No, that's just too much to ask. Impossible."

The guy says, "Well, there is one thing I've always wanted to know. I'd like to be able to understand women...what makes them laugh and cry...you know, what makes them tick."

The genie thinks a second, then asks, "You want two lanes or four?'

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Three element vacuum tube

In 1907, the three-element vacuum tube was issued a U.S. patent to its inventor, Dr Lee de Forest as a “device for amplifying feeble electric currents - such, for example, as telephone currents” (No. 841,387). The tube was evacuated, with some remaining conducting gas molecules, and it was suggested using for the heated electrode such material as platinum, tantalum or carbon. He had made a public annoucement of his device a few months earlier, on 20 Oct 1906 at a meeting of the American Institute of Electrical Engineers held in New York City. On 18 Feb 1908, he received another patent for the grid electrode tube (No. 879,532).
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