Find the missing number
[127] Find the missing number - Find the missing number - #brainteasers #math - Correct Answers: 188 - The first user who solved this task is Eric Newton
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Find the missing number

Find the missing number
Correct answers: 188
The first user who solved this task is Eric Newton.
#brainteasers #math
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A blonde walks into the police...

A blonde walks into the police department looking for a job. The officer wants to ask her a few questions....
Officer: What's 2+2?
Blonde: Ummmmm... 4!
Officer: What's the square root of 100?
Blonde: Ummmm... 10!
Officer: Good! Now, who killed Abraham Lincoln?
Blonde: Ummmm... I dunno.
Officer: Well, you can go home and think about it. Come back tomorrow.
The blonde goes home and calls up one of her friends, who asks her if she got the job. The blonde says, excitedly, "Not only did I get the job, I'm already working on a murder case!"
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Musical Arcs

In 1900, Nature reported the Musical Arcs invented by William Du Bois Duddell, an English physicist. By means of an arrangement of electric currents he produced a musical note from an arc lamp that could be altered to any pitch is obtained and a tune played. This may be regarded as the first fully electric instrument. While investigating the noise produced by the operation of carbon arc lamps - anything from a low hum to a high-pitched whistle - he found that adding resonance circuits adjusted the pitch of the sounds. His Singing Arc demonstrated this phenomenon using a keyboard connected to an arc lamp, giving audible results without any amplifier. He toured the country with his Singing Arc, as a novelty performance.«*
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