Find number abc
[6380] Find number abc - If 68a47 - 65bcc = a048 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 20 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 68a47 - 65bcc = a048 find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Laying Turf

A painting contractor was speaking with a woman about a job. In the first room, she said she would like a pale blue. The contractor wrote this down and went to the window, opened it, and yelled out "GREEN SIDE UP!" In the second room, she told the painter she would like it painted in a soft yellow. He wrote this on his pad, walked to the window, opened it, and yelled "GREEN SIDE UP!" The lady was somewhat curious but she said nothing. In the third room, she said she would like it painted a warm rose color. The painter wrote this down, walked to the window, opened it and yelled "GREEN SIDE UP!" The lady then asked him, "Why do you keep yelling 'green side up'?"

"I'm sorry," came the reply.

"But I have a crew of blondes laying sod across the street."

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Coal mine canaries retired

In 1986, the BBC reported that the British government planned to replace about 200 canaries used in mining pits with modern electronic gas detectors. From 1987, as new technology was gradually phased in, the birds were retired. Live canaries carried in small cages had been used in pits since 1911 to warn of the presence of carbon monoxide, a deadly but colourless, tasteless and odourless gas. John Scott Haldane researched the practice. A small animal with faster metabolism would be more quickly affected by noxious fumes than a human. Canaries were preferred over, say, mice, because they gave an early warning easier to detect. An affected bird would stop chirping, have trouble breathing, sway on its perch and (with trimmed claws) noticeably fall. (Prompt oxygen could be used revive it, for further use.) Or die.«[Image: miner holding up a canary in a cage.]
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