What a winning combination?
[7184] What a winning combination? - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 3
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 3
#brainteasers #mastermind
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A wife woke in the middle of t...

A wife woke in the middle of the night to find her husband missing from bed. She got out of bed and checked around the house. She heard sobbing from the basement. After turning on the light and descending the stairs, she found he husband curled up in the corner, of the basement,... crying like a baby. "Honey, what's wrong?", she asked, worried about what could hurt him so much. "Remember, 20 years ago, I got you pregnant and your father threatened me to either marry you or to go to jail?"
"Yes, of course," she replied.
"Well, I would have been released from jail this afternoon!"
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Ultrasonic alarm

In 1953, the first U.S. patent for a burglar alarm operated by ultrasonic sound was issued to Samuel Bagno of New York City (No. 2,655,645) on a system for movement detection in a confined space by intruders or fire. It was manufactured as the Alertronic and first sold in Jun 1950. A sound source produced waves of 19,000 hertz, a frequency too high for normal human hearing. An intruder could be detected by the alarm by a difference in frequency of the reflected waves from the moving body (the Doppler effect). The device would then sound an alarm.
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