Find number abc
[7223] Find number abc - If 73a6c + 75bbc = 1c91cb find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 5
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Find number abc

If 73a6c + 75bbc = 1c91cb find number abc. Multiple solutions may exist.
Correct answers: 5
#brainteasers #math
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April Fool’s Day Pranks

1. Take something from someone’s office and leave them a ransom note.
2. Add several odd appointments with alarms set to go off during the day to a co-worker’s Outlook calendar.
3. Add food coloring to milk that comes in a cardboard container.
4. Add food coloring to the windshield washer fluid of someone’s car.
5. Switch around random keys on someone’s keyboard who isn’t a very good typist.
6. Switch the Push and Pull signs on a set of doors.
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Edison phonograph

In 1877, Thomas Alva Edison, though this date is often given as the date of a finished model of his first phonograph, may have actually only made a sketch. Some correspondence in Sep 1877 suggests Edison was at work on his ideas for what became his cylinder phonograph, though construction of a working model may not have begun until 4 Dec, according to the diary of one of Edison's aides. Indeed, Edison did not file for the patent until 24 Dec 1877. The idea came to him while working on a telegraph transmitter, when he noticed that when the tape of the machine was played at high speed, it gave off a noise resembling spoken words. After experimenting with a needle attached to the diaphragm of a telephone receiver to prick paper tape to record a message, his idea evolved to using a stylus on a tinfoil cylinder.«[Image: Sketch dated 20 Nov 1877 given to machinist John Kruesi to make the world's first cylinder phonograph.]
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