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Brilliant's First Official Problem Writing Party!

This party is now over. Thanks for your contributions. You can see what we chose by joining the next party!


Hello Brilliant,

Thanks to you (the members of the community), Brilliant was able to successfully launch two new quizzes in the past two weeks: Percentages: Level 2-3 and Quadratic Discriminant: Level 1-2.

You may have noticed the recent addition of new challenge quizzes to the Brilliant experience. These challenge quizzes are collections of some of the best problems written by the community.

Brilliant has organized many of your problems to cover hundreds of topics on all levels of difficulty, but we are looking to add even more to improve the community experience. We are looking for talented problem writers to create the fun and challenging level 1-2 problems that are missing from these challenge quizzes in Brilliant's inaugural Problem Writing Party.

How it works

The party starts right now (January 18th, 2016) and will last for the next two weeks. Throughout the two weeks, we will be focusing on writing awesome level 1 and level 2 problems for the topics listed below. To participate, submit as many problems as you want to these listed topics. At the end of the party, Brilliant staff will be picking the best 5-10 problems for each topic. These problems will then be immortalized and formed into a challenge quiz. If we pick your problem, then you can brag to your friends because it will be displayed on Brilliant forever!

Use this note to:

  1. Ask questions about the party or brainstorming ideas from Brilliant staff.

  2. Share links to great relevant problems.

  3. Bounce your ideas off each other to help formulate the best problem you can.

Remember! To be selected, problems you submit should be fun and challenging to a level 1 or level 2 student.

Topic Listing

The topics of problem submission for this party are below. Just click the link of the topic for which you want to create a problem.

Algebra - Rational Functions

Geometry - General Polygons

Number Theory - Number Bases

Calculus - Limits of Sequences

Combinatorics - Expected Value

Computer Science - Complexity/Runtime Analysis

Classical Mechanics - Momentum

Thanks!

Note by Sandeep Bhardwaj
1 year, 10 months ago

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Comments

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Super cool names!

Sandeep Bhardwaj - 1 year, 10 months ago

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Comment deleted Jan 24, 2016

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Haha , thanks :D

Nihar Mahajan - 1 year, 10 months ago

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Great problems Nihar. We picked a few of these. :)

This party is now over. Time to move on to the next one!

Andrew Ellinor - 1 year, 9 months ago

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Hello Sir, I am submitting the following problems for the Party!

Pranshu Gaba - 1 year, 10 months ago

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Ohhh, I really like the 2nd one. That's a very common mistake made :)

Calvin Lin Staff - 1 year, 10 months ago

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A surprising number of people have got it wrong. It seems to be a very common geometry misconception.

Pranshu Gaba - 1 year, 10 months ago

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Thank you @Sandeep Bhardwaj @Andrew Ellinor I enjoyed making the problems. :)

Pranshu Gaba - 1 year, 10 months ago

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@Pranshu Gaba These are awesome! You got one problem in almost every category too. Now that's truly impressive.

Andrew Ellinor - 1 year, 10 months ago

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Thanks for your contributions! We picked at least one of these. :)

This party is now over. Time to move on to the next one!

Andrew Ellinor - 1 year, 9 months ago

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Thanks for these problems

Siva Prasad - 1 year, 10 months ago

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Thanks @Pranshu Gaba for such wonderful set of problems!

Sandeep Bhardwaj - 1 year, 10 months ago

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Well.. keeping in mind Level 1 and Level 2 type of questions I have tried the following ones today:

More over I have got two interesting problems regarding Complexity/Run time Analysis as under:

  1. Number of Comparisons (I)

  2. Number of Comparisions (II)

Zeeshan Ali - 1 year, 10 months ago

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Thanks for your contributions! We picked at least one of these. :) You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thanks for the amazing set of problems @Zeeshan Ali! I liked the second problem in the list i.e. "Area of Polygons" the most.

Sandeep Bhardwaj - 1 year, 10 months ago

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thank you very much for your remarks :)

Zeeshan Ali - 1 year, 10 months ago

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Nice calculus double limit, and understanding algorithm questions :)

Calvin Lin Staff - 1 year, 10 months ago

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Here are some more problems on bases -

EDIT

One more - Taming the Radix

Note: Majority of them are inspired from AoPS problems

Arulx Z - 1 year, 10 months ago

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Thanks @Arulx Z for the nice collection of problems.

Sandeep Bhardwaj - 1 year, 10 months ago

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Thanks a lot! I have added one more.

Arulx Z - 1 year, 9 months ago

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Beautiful. I have a good feeling at least one of your problems on bases is going to wind up in a quiz.

Andrew Ellinor - 1 year, 10 months ago

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Thanks :)

Arulx Z - 1 year, 10 months ago

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Loved your problems Arulx! We picked one of those problems (maybe two?). You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thanks a lot for selecting my problem :)

Arulx Z - 1 year, 9 months ago

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Number theory - Big, Bad, Binary

Arjen Vreugdenhil - 1 year, 10 months ago

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This was indeed a tough problem Arjen, but we were able to make room for it in our Level 3 Number Bases quiz. Thanks for your submission! You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Nice problem @Arjen Vreugdenhil, Level 4 though!

Sandeep Bhardwaj - 1 year, 10 months ago

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Should I suggest some of my old problems or I have to post new for the related topics ?@Sandeep Bhardwaj , @Calvin Lin

Chinmay Sangawadekar - 1 year, 10 months ago

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Old problems are perfect suggestions. We might not have caught them when we made the original challenge quizzes because there wasn't an appropriate chapter assigned to it when it was created, but we'd be glad to take another look at it.

You should also try to tweak old examples and craft them into new ones! Old and new problems are fine. :)

Andrew Ellinor - 1 year, 10 months ago

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Thanks @Andrew Ellinor for responding to Chinmay's query.

Sandeep Bhardwaj - 1 year, 10 months ago

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After the epic weekend wiki party, I thought no other thing could beat it, but I think this will be the one!

Sravanth Chebrolu - 1 year, 10 months ago

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We picked one of your problems for number bases! You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Cool! Thanks a lot!

Sravanth Chebrolu - 1 year, 9 months ago

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Thanks @Sravanth Chebrolu for nice words. I hope the same. :)

Sandeep Bhardwaj - 1 year, 10 months ago

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Here's my new one for Number Bases - What do these hands mean?.

Worranat Pakornrat - 1 year, 9 months ago

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This is a fun one. Just became the first solver!

Margaret Zheng - 1 year, 9 months ago

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Congratulations! :)

Worranat Pakornrat - 1 year, 9 months ago

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@Worranat Pakornrat Thanks:)

Margaret Zheng - 1 year, 9 months ago

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Hey super intelligent people :DDDDD I am so happy to be in this problem writing party even though I do not have a whole bunch of math skills with me, nor I could think of good problems easily and quickly. So far I got one down Combinatorics, Expected Value - Let's play a game! and I hope it is going to be fine:D

Margaret Zheng - 1 year, 10 months ago

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Awesome problem Margaret! We picked your problem for our expected value quiz. You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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This problem here Margaret? It looks great! :)

Andrew Ellinor - 1 year, 10 months ago

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Thanks for your compliment and I will try to brainstorm some more :)

Margaret Zheng - 1 year, 10 months ago

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Algebra decomposition of a rational function

Number Theory Base of Number Bases

Number Theory Forget Base 10

Number Theory Powers of 3

Kaito Einstein - 1 year, 10 months ago

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I really enjoyed these. We ended up picking two of them for our number bases quiz! You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thanks @Kaito Einstein for nice problems. The last one is yummie.

Sandeep Bhardwaj - 1 year, 10 months ago

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Oh, i like the number base questions.

Calvin Lin Staff - 1 year, 10 months ago

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Algebra - 1 , 2 , 3

Calculus - 1 , 2 , 3

Combinatorics - 1 , 2 , 3

Geometry - 1 , 2

NT - 1 , 2 , 3 . 4

Electricity and Magnetism - 1 , 2 , 3

Is it okay to add Level 3-4-5 questions ? , or just level 1-2 ? and is the format okay , by using numbers ?

@Sandeep Bhardwaj , @Calvin Lin

Chinmay Sangawadekar - 1 year, 10 months ago

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Thanks @Chinmay Sangawadekar for the wonderful problems.

For this one Problem Writing Party, all the chapters mentioned in the note need level 1-2 problems. Thanks!

Sandeep Bhardwaj - 1 year, 10 months ago

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sure I will post a new set of level 1-2 problems

Chinmay Sangawadekar - 1 year, 10 months ago

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@Chinmay Sangawadekar Great! I'm excited. \(\ddot \smile\)

Sandeep Bhardwaj - 1 year, 10 months ago

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It depends on the chapter. Given that these chapters (tend to be) are more basic, we would rather start out with the Level 1, 2 challenge quizzes first, because that is what most people would appreciate, before they delve deeper. Over time, we will be building out the higher level challenge quizzes too. E.g. The Algebra topic has a ton of problems in the Level 5 warmups.

Calvin Lin Staff - 1 year, 10 months ago

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@Calvin Lin also update my solution number and upvotes if possible.

Chinmay Sangawadekar - 1 year, 10 months ago

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@Calvin Lin , so is the above set okay ? or I have to post some easy problems of level 1 -2

Chinmay Sangawadekar - 1 year, 10 months ago

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Check out "The Maximum Enneagon".

W Rose - 1 year, 10 months ago

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Thanks a lot @W Rose. We chose your problem to fit into our General Polygons quiz. I really enjoyed that one!

This party is now over. Thanks for your contributions. Time to move on to the next one!

Andrew Ellinor - 1 year, 9 months ago

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Interesting, thanks!

Sandeep Bhardwaj - 1 year, 10 months ago

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Beautiful. This one is not too difficult and just what we're looking for. The Maximum Enneagon

Andrew Ellinor - 1 year, 10 months ago

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That's an interesting problem about polygons :)

Calvin Lin Staff - 1 year, 10 months ago

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These are my contributed problems, sir. Hope you like it

  1. Number Theory - 777 base
  2. Calculus - Limits e

Anish Harsha - 1 year, 10 months ago

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Beautiful, we picked some of your problems for one of our quizzes to be featured on Brilliant forever! You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thank you, sir

Anish Harsha - 1 year, 9 months ago

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I like your first problem.

For the latter 2 problems, can you respond to the reports on them? Thanks!

Calvin Lin Staff - 1 year, 10 months ago

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I 've deleted the last two problems. But, substituted with another calculus problem.

Anish Harsha - 1 year, 10 months ago

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Here are my questions about polygons:

Weird Land for Sale

Master Lock

Transformer

Save Me!

3 Color Square

Polygon Complex

Worranat Pakornrat - 1 year, 10 months ago

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Thanks Worranat! We picked some of your problems for the General Polygons quiz. You can see what we chose in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thank you for choosing my questions. I'm looking forward to writing for the next party! ;)

Worranat Pakornrat - 1 year, 9 months ago

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Those are some colorful questions. I think you can clear up the meaning of some of these questions, to make it easier for others to understand. I've reported a few of them, could you help me understand what you're trying to say?

Calvin Lin Staff - 1 year, 10 months ago

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Thank you. I've just finished editing them. Hope they're clear this time. ;)

Worranat Pakornrat - 1 year, 10 months ago

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my problems:

  1. number bases: new prime discovered

  2. limits: limit as n approaches infinity?

  3. polygons: computer science in geo?

Aareyan Manzoor - 1 year, 10 months ago

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Thanks Aareyan! We chose at least one of your problems.

This party is now over. Thanks for your contributions. Time to move on to the next one!

Andrew Ellinor - 1 year, 9 months ago

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Good problems.

Note that your third link goes to the first problem about primes. Can you fix it?

Calvin Lin Staff - 1 year, 10 months ago

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Sir, these are my submissions

Guessing won't help!

How many numbers?

Brilliant Member - 1 year, 10 months ago

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Oh wow, I love both problems!

Calvin Lin Staff - 1 year, 10 months ago

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Oops I am sorry I didn't see the topics for the discussion.

Brilliant Member - 1 year, 9 months ago

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Number theory - Problem 1 - Level 2

Number theory - Problem 2 - Level 1

Number theory - Problem 3 - Level 1

Sachin Vishwakarma - 1 year, 10 months ago

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We chose one of your number theory problems for the number bases quiz. You can check it out in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thanks @Sachin Vishwakarma for level 1-2 and awesome problems.

Sandeep Bhardwaj - 1 year, 10 months ago

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Welcome sir. :)

Sachin Vishwakarma - 1 year, 10 months ago

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Awesome, I love these!

Andrew Ellinor - 1 year, 10 months ago

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Thanks. :)

Sachin Vishwakarma - 1 year, 10 months ago

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Hello, I'd like to submit my first set of questions:

Geometry - Polygon Complex

Number Theory - 1+1 is no longer 2

More will be coming up! ;)

Worranat Pakornrat - 1 year, 10 months ago

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Hm, for the second question, I think we should ask for the answer in base 2. Otherwise, it's more about converting into decimal system, then doing the calculation​ in binary. Thoughts?

Calvin Lin Staff - 1 year, 10 months ago

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Oh, OK. I can come up with a new question. Thanks for your advice. ;) Here's the one: Can you subtract binary numbers?

Worranat Pakornrat - 1 year, 10 months ago

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what is the procedure to write a problem ...

should I post the problem in this comment ?? I want to add some concept or examples for level 1-2 as suggested above in the calculus section.

Aman Rajput - 1 year, 10 months ago

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Hi Aman! You can simply click the link in the note as shown:

Andrew Ellinor - 1 year, 10 months ago

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Momentum

Rajdeep Dhingra - 1 year, 10 months ago

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Nice problem Rajdeep, thanks!

Sandeep Bhardwaj - 1 year, 10 months ago

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Why has my problem been deleted ? @Calvin Lin

Rajdeep Dhingra - 1 year, 10 months ago

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I love it. This should definitely be fun for a level 1 or level 2 member.

Andrew Ellinor - 1 year, 10 months ago

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@Calvin Lin Sorry I didn't see this earlier. I'm working on a contribution right now.

Aditya Rao - 1 year, 9 months ago

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Don't worry you can contribute now too. I'm waiting for your problems. \(\ddot \smile\)

Sandeep Bhardwaj - 1 year, 9 months ago

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Hmm! I am waiting... for yours! :D

Zeeshan Ali - 1 year, 9 months ago

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Tnxs for brilliants ...

God bless you

Atta Mengal - 1 year, 9 months ago

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For Combinatorics : Happy Birthday For Calculus : Screw up your brain 1 Screw up your brain 2

Raven Herd - 1 year, 9 months ago

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A new one has come: Combinatorics- Who wants some glass marbles?.

Worranat Pakornrat - 1 year, 10 months ago

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Here's a new one in Number Bases: Zodiac 12.

Worranat Pakornrat - 1 year, 10 months ago

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Combinatorics - 1. Do you expect this? , 2. Again the same old coins

Anish Harsha - 1 year, 10 months ago

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My first one was about Momentum: Caution! Slippery Surface!.

I'll post others later.

Victor Paes Plinio - 1 year, 10 months ago

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We chose one of your problems for the momentum quiz! You can check it out in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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My submission:

Geometry:Equilateral makes it easy

Siddharth Singh - 1 year, 10 months ago

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Level 2 problem : Limits of sequence Limit

Aman Rajput - 1 year, 10 months ago

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Here's my new one:

Combinatorics- The Big Six

Worranat Pakornrat - 1 year, 10 months ago

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Hi sir! Finally I've posted some problems, here they are:

Sravanth Chebrolu - 1 year, 10 months ago

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The best thing about all these problems is that all lie in the region of level 1-2 and all are quite interesting. Thanks @Sravanth Chebrolu for the amazing problems.

Sandeep Bhardwaj - 1 year, 10 months ago

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Thanks for conducting this party sir! \(\huge\ddot\smile\)

Sravanth Chebrolu - 1 year, 10 months ago

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Classical Mechanics- Momentum

Sahil Bansal - 1 year, 10 months ago

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We chose one of your problems for the momentum quiz. You can check it out in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Thank you sir!

Sahil Bansal - 1 year, 9 months ago

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Number Theory - Basic Bases, Tricky Factorial.

I am currently working on Number Bases so I'll be posting more of these.

Arulx Z - 1 year, 10 months ago

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Oh man, these looks good Arulx!

Edit: I kinda want to pick Tricky Factorial right away. That's a good one.

Andrew Ellinor - 1 year, 10 months ago

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Number Bases

Karthik Venkata - 1 year, 10 months ago

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We chose one of your number theory problems for the number bases quiz. You can check it out in the next problem writing party note.

This party is now over. Thanks for your contributions. Time to move on to the next party!

Andrew Ellinor - 1 year, 9 months ago

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Enjoyed the problem Karthik, thanks!

Sandeep Bhardwaj - 1 year, 10 months ago

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