MATH PUZZLE: Replace the que...
[2967] MATH PUZZLE: Replace the que... - MATH PUZZLE: Replace the question marks with a numbers and calculate product these numbers. - #brainteasers #math - Correct Answers: 155 - The first user who solved this task is Roxana zavari
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MATH PUZZLE: Replace the que...

MATH PUZZLE: Replace the question marks with a numbers and calculate product these numbers.
Correct answers: 155
The first user who solved this task is Roxana zavari.
#brainteasers #math
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The teacher noticed that Johnn...

The teacher noticed that Johnny had been day dreaming for a long time. She decided to get his attention."Johnny," she said, "If the world is 25,000 miles around and eggs are sixty cents a dozen, how old am I? "Thirty-four," Johnny answered unhesitatingly.
The teacher replied "Well, that's not far from my actual age. Tell me...how did you guess?"
Oh, there's nothing to it," Johnny said. "My big sister is seventeen and she's only half-crazy."
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Herbert C. Brown

Born 22 May 1912; died 19 Dec 2004 at age 92. English-born American chemist who developed organoboranes (compounds of boron, carbon and hydrogen) which provided many new techniques in synthetic organic chemistry. For this accomplishment, he shared (with Georg Wittig) the 1979 Nobel Prize for Chemistry. The versatility of organoboranes as reagents in reductions, additions and rearrangements provides new ways of linking carbon atoms to each other. Applications of organoboranes now include the manufacture of agricultural and pharmaceutical chemicals (such as the antidepressant Prozac). In graduate research during WW II, he discovered a method to produce sodium borohydride, giving a new approach to making hydrogen gas, used in weather balloons and later in fuel cells.«
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