Find number abc
[6060] Find number abc - If b1451 - 6ab3c = 1b6a1 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 29 - The first user who solved this task is Nasrin 24 T
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Find number abc

If b1451 - 6ab3c = 1b6a1 find number abc. Multiple solutions may exist.
Correct answers: 29
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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World Post Day Jokes

On 9th October we celebrate World Post Day! Here's some postal humor for you:

What’s a postman’s favorite type of music?
Mail-ody!

Why did the feminist refuse to work at the post office?
Because it was a mail dominated industry

Have you heard about the dyslexic spy who got caught with a suitcase nuke in the post office?
Fission mailed!

So I got a phone call from the post office today...
...complaining that my dog is attacking a postman on a bike. But I told them "It can't be my dog... he doesn't even know how to ride a bike".

Did you hear that the Post Office just recalled their latest stamps?
They had pictures of lawyers on them ...and people couldn't figure out which side to spit on.

#worldpostday
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Spectrophotometer

In 1935, the first U.S. patent for a spectrophotometer was issued to Professor Arthur Cobb Hardy of Wellesley, Mass. (No. 1,987,441) which he called a “photometric apparatus.”It could detect two million different shades of colour and make a permanent record chart of the results. The patent was assigned to the General Electric Company of Schenectady, N.Y. which sold the first machine on 24 May 1935. It used a photo-electric device to receive light alternately from a sample and from a standard for comparison. It eliminated any need for the two beams (from sample and from standard) to travel different optical paths which in previous designs could introduce inaccuracies if one path varied from the other.«[Image: a "GE-Hardy" double-beam recording spectrophotometer photographed in 1938 showing Walt Disney with the instrument at his studios.]
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