Calculate the number 2142
[5384] Calculate the number 2142 - NUMBERMANIA: Calculate the number 2142 using numbers [5, 4, 5, 7, 85, 393] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 19 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 2142

NUMBERMANIA: Calculate the number 2142 using numbers [5, 4, 5, 7, 85, 393] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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100% Polar bear

One afternoon in the Arctic, a father polar bear and his son polar bear were sitting in the snow. The son polar bear turned to his father and asked, "Dad, am I 100% polar bear?"

"Of course, son, you're 100% polar bear."

A few minutes pass, and the son polar bear turns to his father again and says, "Dad, tell me the truth. I can take it. Am I 100% polar bear? No brown bear or panda bear or grizzly bear?"

"Son, I'm 100% polar bear and your mother is 100% polar bear, so you're certainly 100% polar bear."

A few more minutes pass, and the son polar bear again turns to his father and says, "Dad, don't think your sparing my feelings if it's not true. I really need to know... am I really 100% polar bear?"

Distressed by this continued questioning, the father polar bear finally asked his son, "Why do you keep asking if you're 100% polar bear?"

"Because I'm freezing to death out here!"

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Dixon's lead pencil

In 1827, lead pencils were first manufactured by Joseph Dixon, who built his factory in Salem, Mass. Dixon was responsible for the development of the graphite industry in the U.S. In 1859 he patented graphite crucibles. When he died, the Joseph Dixon Crucible Company was the largest manufacturer of graphite products in the world. The first* pencil factory in the U.S. however, was started earlier by William Monroe of Concord, Mass., in Jun 1812. His first 30 pencils were bought by Benjamin Adams, a hardware dealer in Boston, Mass. The first pencils made in Great Britain* (1584) used graphite from Borrowdale, Cumberland.
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