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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
10 months, 3 weeks ago

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@Nihar Mahajan Super cool names! Sandeep Bhardwaj · 10 months, 3 weeks ago

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@Harsh Shrivastava Haha , thanks :D Nihar Mahajan · 10 months, 3 weeks ago

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

This party is now over. Time to move on to the next one! Andrew Ellinor · 10 months, 1 week ago

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

Pranshu Gaba · 10 months, 3 weeks ago

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@Pranshu Gaba Ohhh, I really like the 2nd one. That's a very common mistake made :) Calvin Lin Staff · 10 months, 3 weeks ago

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@Calvin Lin A surprising number of people have got it wrong. It seems to be a very common geometry misconception. Pranshu Gaba · 10 months, 3 weeks ago

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@Pranshu Gaba Thank you @Sandeep Bhardwaj @Andrew Ellinor I enjoyed making the problems. :) Pranshu Gaba · 10 months, 3 weeks ago

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@Pranshu Gaba @Pranshu Gaba These are awesome! You got one problem in almost every category too. Now that's truly impressive. Andrew Ellinor · 10 months, 3 weeks ago

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@Pranshu Gaba 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 · 10 months, 1 week ago

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@Pranshu Gaba Thanks for these problems Siva Prasad · 10 months, 3 weeks ago

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@Pranshu Gaba Thanks @Pranshu Gaba for such wonderful set of problems! Sandeep Bhardwaj · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Zeeshan Ali 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 · 10 months, 1 week ago

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@Zeeshan Ali 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 · 10 months, 3 weeks ago

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@Sandeep Bhardwaj thank you very much for your remarks :) Zeeshan Ali · 10 months, 3 weeks ago

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@Zeeshan Ali Nice calculus double limit, and understanding algorithm questions :) Calvin Lin Staff · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Arulx Z Thanks @Arulx Z for the nice collection of problems. Sandeep Bhardwaj · 10 months, 3 weeks ago

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@Sandeep Bhardwaj Thanks a lot! I have added one more. Arulx Z · 10 months, 2 weeks ago

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@Arulx Z Beautiful. I have a good feeling at least one of your problems on bases is going to wind up in a quiz. Andrew Ellinor · 10 months, 3 weeks ago

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@Andrew Ellinor Thanks :) Arulx Z · 10 months, 3 weeks ago

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@Arulx Z 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 · 10 months, 1 week ago

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@Andrew Ellinor Thanks a lot for selecting my problem :) Arulx Z · 10 months, 1 week ago

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Number theory - Big, Bad, Binary Arjen Vreugdenhil · 10 months, 3 weeks ago

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@Arjen Vreugdenhil 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 · 10 months, 1 week ago

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@Arjen Vreugdenhil Nice problem @Arjen Vreugdenhil, Level 4 though! Sandeep Bhardwaj · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Chinmay Sangawadekar 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 · 10 months, 3 weeks ago

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@Andrew Ellinor Thanks @Andrew Ellinor for responding to Chinmay's query. Sandeep Bhardwaj · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Sravanth Chebrolu 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 · 10 months, 1 week ago

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@Andrew Ellinor Cool! Thanks a lot! Sravanth Chebrolu · 10 months, 1 week ago

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@Sravanth Chebrolu Thanks @Sravanth Chebrolu for nice words. I hope the same. :) Sandeep Bhardwaj · 10 months, 3 weeks ago

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Here's my new one for Number Bases - What do these hands mean?. Worranat Pakornrat · 10 months, 2 weeks ago

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@Worranat Pakornrat This is a fun one. Just became the first solver! Margaret Zheng · 10 months, 2 weeks ago

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@Margaret Zheng Congratulations! :) Worranat Pakornrat · 10 months, 2 weeks ago

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@Worranat Pakornrat Thanks:) Margaret Zheng · 10 months, 2 weeks 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 · 10 months, 3 weeks ago

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@Margaret Zheng 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 · 10 months, 1 week ago

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@Margaret Zheng This problem here Margaret? It looks great! :) Andrew Ellinor · 10 months, 3 weeks ago

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@Andrew Ellinor Thanks for your compliment and I will try to brainstorm some more :) Margaret Zheng · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Kaito Einstein 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 · 10 months, 1 week ago

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@Kaito Einstein Thanks @Kaito Einstein for nice problems. The last one is yummie. Sandeep Bhardwaj · 10 months, 3 weeks ago

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@Kaito Einstein Oh, i like the number base questions. Calvin Lin Staff · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Chinmay Sangawadekar 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 · 10 months, 3 weeks ago

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@Sandeep Bhardwaj sure I will post a new set of level 1-2 problems Chinmay Sangawadekar · 10 months, 3 weeks ago

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@Chinmay Sangawadekar Great! I'm excited. \(\ddot \smile\) Sandeep Bhardwaj · 10 months, 3 weeks ago

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@Chinmay Sangawadekar 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 · 10 months, 3 weeks ago

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@Calvin Lin @Calvin Lin also update my solution number and upvotes if possible. Chinmay Sangawadekar · 10 months, 3 weeks ago

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@Calvin Lin @Calvin Lin , so is the above set okay ? or I have to post some easy problems of level 1 -2 Chinmay Sangawadekar · 10 months, 3 weeks ago

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Check out "The Maximum Enneagon". W Rose · 10 months, 3 weeks ago

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@W Rose 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 · 10 months, 1 week ago

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@W Rose Interesting, thanks! Sandeep Bhardwaj · 10 months, 3 weeks ago

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@W Rose Beautiful. This one is not too difficult and just what we're looking for. The Maximum Enneagon Andrew Ellinor · 10 months, 3 weeks ago

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@Andrew Ellinor That's an interesting problem about polygons :) Calvin Lin Staff · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Anish Harsha 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 · 10 months, 1 week ago

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@Andrew Ellinor Thank you, sir Anish Harsha · 10 months, 1 week ago

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@Anish Harsha I like your first problem.

For the latter 2 problems, can you respond to the reports on them? Thanks! Calvin Lin Staff · 10 months, 3 weeks ago

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@Calvin Lin I 've deleted the last two problems. But, substituted with another calculus problem. Anish Harsha · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Worranat Pakornrat 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 · 10 months, 1 week ago

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@Andrew Ellinor Thank you for choosing my questions. I'm looking forward to writing for the next party! ;) Worranat Pakornrat · 10 months, 1 week ago

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@Worranat Pakornrat 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 · 10 months, 3 weeks ago

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@Calvin Lin Thank you. I've just finished editing them. Hope they're clear this time. ;) Worranat Pakornrat · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Aareyan Manzoor 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 · 10 months, 1 week ago

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@Aareyan Manzoor Good problems.

Note that your third link goes to the first problem about primes. Can you fix it? Calvin Lin Staff · 10 months, 3 weeks ago

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Sir, these are my submissions

Guessing won't help!

How many numbers? Svatejas Shivakumar · 10 months, 3 weeks ago

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@Svatejas Shivakumar Oh wow, I love both problems! Calvin Lin Staff · 10 months, 3 weeks ago

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@Calvin Lin Oops I am sorry I didn't see the topics for the discussion. Svatejas Shivakumar · 10 months, 2 weeks 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 · 10 months, 3 weeks ago

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@Sachin Vishwakarma 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 · 10 months, 1 week ago

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@Sachin Vishwakarma Thanks @Sachin Vishwakarma for level 1-2 and awesome problems. Sandeep Bhardwaj · 10 months, 3 weeks ago

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@Sandeep Bhardwaj Welcome sir. :) Sachin Vishwakarma · 10 months, 3 weeks ago

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@Sachin Vishwakarma Awesome, I love these! Andrew Ellinor · 10 months, 3 weeks ago

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@Andrew Ellinor Thanks. :) Sachin Vishwakarma · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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@Worranat Pakornrat 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 · 10 months, 3 weeks ago

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@Calvin Lin 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 · 10 months, 3 weeks 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 · 10 months, 3 weeks ago

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

Andrew Ellinor · 10 months, 3 weeks ago

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Momentum Rajdeep Dhingra · 10 months, 3 weeks ago

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@Rajdeep Dhingra Nice problem Rajdeep, thanks! Sandeep Bhardwaj · 10 months, 3 weeks ago

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@Sandeep Bhardwaj Why has my problem been deleted ? @Calvin Lin Rajdeep Dhingra · 10 months, 3 weeks ago

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@Rajdeep Dhingra I love it. This should definitely be fun for a level 1 or level 2 member. Andrew Ellinor · 10 months, 3 weeks ago

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@Calvin Lin Sorry I didn't see this earlier. I'm working on a contribution right now. Aditya Rao · 10 months, 2 weeks ago

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@Aditya Rao Don't worry you can contribute now too. I'm waiting for your problems. \(\ddot \smile\) Sandeep Bhardwaj · 10 months, 2 weeks ago

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@Aditya Rao Hmm! I am waiting... for yours! :D Zeeshan Ali · 10 months, 2 weeks ago

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Tnxs for brilliants ...

God bless you Atta Mengal · 10 months, 2 weeks ago

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For Combinatorics : Happy Birthday For Calculus : Screw up your brain 1 Screw up your brain 2 Raven Herd · 10 months, 2 weeks ago

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A new one has come: Combinatorics- Who wants some glass marbles?. Worranat Pakornrat · 10 months, 3 weeks ago

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Here's a new one in Number Bases: Zodiac 12. Worranat Pakornrat · 10 months, 3 weeks ago

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Combinatorics - 1. Do you expect this? , 2. Again the same old coins Anish Harsha · 10 months, 3 weeks ago

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

I'll post others later. Victor Paes Plinio · 10 months, 3 weeks ago

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@Victor Paes Plinio 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 · 10 months, 1 week ago

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My submission:

Geometry:Equilateral makes it easy Siddharth Singh · 10 months, 3 weeks ago

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Level 2 problem : Limits of sequence Limit Aman Rajput · 10 months, 3 weeks ago

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Here's my new one:

Combinatorics- The Big Six Worranat Pakornrat · 10 months, 3 weeks ago

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

Sravanth Chebrolu · 10 months, 3 weeks ago

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@Sravanth Chebrolu 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 · 10 months, 3 weeks ago

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@Sandeep Bhardwaj Thanks for conducting this party sir! \(\huge\ddot\smile\) Sravanth Chebrolu · 10 months, 3 weeks ago

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Classical Mechanics- Momentum Sahil Bansal · 10 months, 3 weeks ago

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@Sahil Bansal 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 · 10 months, 1 week ago

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@Andrew Ellinor Thank you sir! Sahil Bansal · 10 months, 1 week 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 · 10 months, 3 weeks ago

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@Arulx Z Oh man, these looks good Arulx!

Edit: I kinda want to pick Tricky Factorial right away. That's a good one. Andrew Ellinor · 10 months, 3 weeks ago

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Number Bases Karthik Venkata · 10 months, 3 weeks ago

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@Karthik Venkata 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 · 10 months, 1 week ago

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@Karthik Venkata Enjoyed the problem Karthik, thanks! Sandeep Bhardwaj · 10 months, 3 weeks ago

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