Calculate the number 489
[7416] Calculate the number 489 - NUMBERMANIA: Calculate the number 489 using numbers [9, 9, 4, 5, 97, 992] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 4
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Calculate the number 489

NUMBERMANIA: Calculate the number 489 using numbers [9, 9, 4, 5, 97, 992] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 4
#brainteasers #math #numbermania
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A little boy and his grandfath...

A little boy and his grandfather are raking leaves in the yard. Thelittle boy finds an earthworm trying to get back into its hole. He says,"Grandpa, I bet I can put that worm back in that hole." The grandfatherreplies, "I'll bet you five dollars you can't. It's too wiggly and limpto put back in that little hole."
The little boy runs into the house and comes back out with a can ofhairspray. He sprays the worm until it is straight and stiff as a board.Then he puts the worm back into the hole.
The grandfather hands the little boy five dollars, grabs the hairspray,and runs into the house. Thirty minutes later the grandfather comes backout and hands the little boy another five dollars. The little boy says,
"Grandpa, you already gave me five dollars."
The grandfather replies, "I know. That's from your grandma
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Georges Urbain

Died 5 Nov 1938 at age 66 (born 12 Apr 1872).French chemist who first isolated lutetium, the last of the stable rare earths. Between 1895-1912 he worked on the rare earths and performed more than 200,000 fractional distillations in which he separated the elements samarium, europium, gadolinium, terbium, dysprosium and holmium. In 1907, he described a process by which Marignac's ytterbium (1879) could be separated into the two elements, ytterbium (neoytterbium) and lutetium. He named the new element after the Roman era village than stood on the site of Paris, his home town. (It was independently discovered by von Welsbach at about the same time.) Urbain also discovered the law of optimum phosphorescence of binary systems and wrote on isomorphism.
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