Find number abc
[7516] Find number abc - If ca1ca - 2c1bb = a700b find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 6
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Find number abc

If ca1ca - 2c1bb = a700b find number abc. Multiple solutions may exist.
Correct answers: 6
#brainteasers #math
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Pet Store

A lady was walking down the street to work and she saw a parrot on a perch in front of a pet store. The parrot said to her, “Hey lady, you are really ugly.” Well, the lady is furious! She stormed past the store to her work.
On the way home she saw the same parrot and it said to her, “Hey lady, you are really ugly.” She was incredibly ticked now. The next day the same parrot again said to her, “Hey lady, you are really ugly.”
The lady was so ticked that she went into the store and said that she would sue the store and kill the bird. The store manager replied profusely and promised he would make sure the parrot didn't say it again.
When the lady walked past the store that day after work the parrot called to her, “Hey lady.”
She paused and said, “Yes?”
The bird said, “You know.”

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Traffic signal

In 1909, Thomas M. Flaherty filed for a U.S. patent, with an idea for a "Signal for Crossings" This was the first U.S. application for a traffic signal design, later issued as No. 991,964 on 9 May 1911. His signal used a large horizontal arrow pivoted on a post, which turned to indicate the right of way direction. It could be activated by an electric solenoid by a policeman beside the road. Although filed first, it was not the first patent actually issued for a traffic signal. Ernest E. Sirrine filed a different design seven months after Flaherty, but his patent was issued earlier, and thus he held the first U.S. patent for a "Street Traffic System" (No. 976,939 on 29 Nov 1910).
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