Most satisfying problem

There's a lot of fun problems on Brilliant, but a select number that I have seen give you that really nice feeling to get right. It's hard to describe well, but some problems aren't too frustrating/easy, not too obscure-theorem-based, but thought candy that uses simple riddles to lead you to the answer, whether it be Algebra, Geometry, or anything.

I really enjoy these problems. If you have a favourite, please share them. I know I'm being vague, and I wish I had an example, but if you wrote anything you are particularly proud of for being easy but hard, hard but easy, I'd very much like to enjoy this type of maths again. Let me know if you know what I mean, pardon my comma splices.

Note by Spock Weakhypercharge
5 years, 5 months ago

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  Easy Math Editor

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a_{i-1} ai1 a_{i-1}
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\sqrt{2} 2 \sqrt{2}
\sum_{i=1}^3 i=13 \sum_{i=1}^3
\sin \theta sinθ \sin \theta
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@Spock Weakhypercharge, here is one of my sets Trickster. I don't know if you would like it. Try to share your experience with me, sir.

Ameya Salankar - 5 years, 5 months ago

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https://imgur.com/r/all/xhhfgVg

Spock Weakhypercharge - 5 years, 5 months ago

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@Spock Weakhypercharge, lol!

Ameya Salankar - 5 years, 5 months ago

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Does this only apply to mathematics problem or physics and chem too

Mardokay Mosazghi - 5 years, 5 months ago

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I had math in mind but I also like elementary physics and chem as long as they are like the first Olympiad level. I don't know, I just posted because people say they pursue maths because of the satisfaction they get after solving a problem and not all problems are like that for me if they are too difficult. I'll post something that I find fun and see if you agree.

Spock Weakhypercharge - 5 years, 5 months ago

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  1. Which molecule is correctly matched with its shape as predicted by VSEPR theory?
(A) PCl3 trigonal pyramidal

(B) OF2 linear

(C) ClF3 trigonal planar

(D) SF6 hexagonal

That one isn't that creative, but I guess its still nice to think about. USNCO 2014 number 54.

Spock Weakhypercharge - 5 years, 5 months ago

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https://brilliant.org/community-problem/elementary-yet-fun-fezziks/?group=nKhJ3sNPiGr8

Love this one. It is simple, but I don't know much mechanics so I was surprised to get the right answer. I'll make a set of favs.

Spock Weakhypercharge - 5 years, 5 months ago

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