Find number abc
[7881] Find number abc - If 231a6 + 5baac = aa95b find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 1
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Find number abc

If 231a6 + 5baac = aa95b find number abc. Multiple solutions may exist.
Correct answers: 1
#brainteasers #math
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Lost boots

There was a little boy in kindergarten. At the end of one cold winter day, when all the other children were leaving, the teacher found him crying, so she asked him what was wrong.

He sobbed, "I can't find my boots."

The teacher looked around the classroom and saw a pair of boots. "Are these yours?"

"No, they're not mine," said the little boy, shaking his head.

The teacher and the boy searched all over the classroom for his boots.

Finally, the teacher gave up, "Are you SURE those boots are not yours?"

"I'm sure," the boy sobbed, "mine had snow on them."

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Ozone layer

In 1987, the "Montreal Protocol on Substances that Deplete the Ozone Layer" was signed, agreeing that the production and consumption of most compounds that deplete ozone in the stratosphere, such as chlorofluorocarbons (CFCs), were to be phased out by 2000. It was further adjusted and amended at subsequent Meeting of the Parties between 1990 and 1997. Because of their relatively high ozone depletion potential, several man-made compounds in addition to (CFCs), carbon tetrachloride, methyl chloroform, and halons were targeted first for phaseout. Now, the U.S. Clean Air Act, for example, bans the release of ozone-depleting refrigerants the during maintenance or disposal of air conditioners and other refrigeration equipment.
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