Find number abc
[5134] Find number abc - If a71ac - 14c30 = b223c find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 59 - The first user who solved this task is Thinh Ddh
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Find number abc

If a71ac - 14c30 = b223c find number abc. Multiple solutions may exist.
Correct answers: 59
The first user who solved this task is Thinh Ddh.
#brainteasers #math
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Trip to Alcatraz

A couple with three children waited in line at San Francisco's Pier 41 to purchase tickets for a boat trip to Alcatraz. Others watched with varying degrees of sympathy and irritation as the young children fidgeted, whined, and punched one another. The frazzled parents reprimanded them to no avail.

Finally they reached the ticket window. "Five tickets, please," the father said. "Two round trip, three one way."

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Edison's first sound recording

In 1877, Thomas Edison demonstrated the first sound recording, reciting “Mary had a Little Lamb” at his Menlo Park Laboratory, making the first surviving recording of the human voice. (The word “Halloo” may have been recorded in July on an early paper model derived from his 1876 telegraph repeater, but the paper has not survived). John Kruesi built this first practical machine 1-6 Dec, from a sketch given to him by Edison that was made 29 Nov (not on “Aug. 12” that Edison mistakenly wrote on another sketch in 1917). When Kruesi heard Edison's first words 6 Dec, he exclaimed “Gott in Himmel!” (“God in Heaven”). Edison was granted patent 200,521 on 19 Feb 1878.
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