Replace the question mark with a number
[2909] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 142 - The first user who solved this task is Roxana zavari
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 142
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
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A little old lady answered a k...

A little old lady answered a knock on the door one day, only to be confronted by a well-dressed young man carrying a vacuum cleaner. 'Good morning,' said the young man. 'If I could take a couple of minutes of your time, I would like to demonstrate the very latest in high-powered vacuum cleaners.'
'Go away!' said the old lady. ''I'm broke and haven't got any money!'' and she proceeded to close the door. Quick as a flash, the young man wedged his foot in the door and pushed it wide open. ''Don't be too hasty!'' he said. ''Not until you have at least seen my demonstration.'' And with that, he emptied a bucket of horse manure onto her hallway carpet. ''Now, if this vacuum cleaner does not remove all traces of this horse manure from your carpet, Madam, I will personally eat the remainder.''
The old lady stepped back and said, ''Well let me get you a fork, 'cause they cut off my electricity this morning!
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Giulio Natta

Born 26 Feb 1903; died 2 May 1979 at age 76.Italian chemist who contributed to the development of high polymers useful in the manufacture of films, plastics, fibres, and synthetic rubber. Along with Karl Ziegler of Germany, he was honoured in 1963 with the Nobel Prize for Chemistry for the development of Ziegler-Natta catalysts. Natta found that certain types of Ziegler catalysts lead to macromolecules with a spatially uniform structure, called isotactic chains. Whereas ordinary hydrocarbon chains are zigzaged, isotactic chains form helices with the side groups pointing outwards. Such polymers give rise to novel synthetic products. Examples are light but strong fabrics, and ropes which float on the water.
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