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Bishnu Aryal

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last 3 solved tasks
Remove 4 letters from this sequence (ZHUUSBAANDSB) to reveal a familiar English word.
If 57cb6 - 52765 = 427a find number abc. Multiple solutions may exist.
If 5659a - a8ab6 = c8b67 find number abc. Multiple solutions may exist.

Gilbert Newton Lewis

Born 23 Oct 1875; died 23 Mar 1946 at age 70. American chemist who collaborated with Irving Langmuir in developing an atomic theory. He developed a theory of valency, which introduced the covalent bond (c. 1916), whereby a chemical combination is made between two atoms by the sharing of a pair of electrons, one contributed from each atom. This was part of his more general octet theory, published in Valence and the Structure of Atoms and Molecules (1923). Lewis visualized the electrons in an atom as being arranged in concentric cubes. The sharing of these electrons he illustrated in the Lewis dot diagrams familiar to chemistry students. He generalized the concept of acids and bases now known as Lewis acids and Lewis bases.«

Extra Money

This girl needed some money, so she is doing odd-jobs around her neighborhood. She decides she's not making enough money, so she goes to a rich neighborhood. She walks up to this house and rings the doorbell. The guy answers and tells her she can paint the porch. He gives her a can of paint and $25. When he goes inside, his wife says, "$25! Does she know that the porch wraps all the way around the house?"

"Oh, she'll do fine." the guy says.

An hour later, the doorbell rings. It's the girl. She says, "I'm finished. I even had some extra paint, so I put another coat on."

The guy is surprised. Then the girl says, "Oh, and by the way, that's not a Porsche, that's a Ferrari."

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