Check the following links:
http://sites.google.com/site/kmckbd/
http://matholympiad.org.bd/index.php?op ... 03&lang=en
Also you can find previous year questions to get an idea of the 'type' of the divisional olympiad. Keep practicing, best of luck
Search found 151 matches
- Sat Dec 25, 2010 7:59 pm
- Forum: Divisional Math Olympiad
- Topic: need help with study material
- Replies: 3
- Views: 3198
- Thu Dec 23, 2010 8:54 pm
- Forum: Divisional Math Olympiad
- Topic: Problems on Number Theory and Alzebra (frm BdMO)
- Replies: 14
- Views: 9343
Re: Problems on Number Theory and Alzebra (frm BdMO)
@Rakeen, almost all the problems of this post are/have been re-posts. You have been warned several times. Please try to avoid re posts from now on, these activities make the forum clumsy. From now on I'll probably delete reposts.
- Thu Dec 23, 2010 8:48 pm
- Forum: National Math Olympiad (BdMO)
- Topic: The biggest value of k
- Replies: 15
- Views: 9533
Re: The biggest value of k
এই সমস্যাটা যেহেতু জাতীয় অলিম্পিয়াডের, তাই ন্যাশলনাল অলিম্পিয়াড অংশে শিফট করলাম
- Thu Dec 23, 2010 12:31 pm
- Forum: Combinatorics
- Topic: AIME 2010 problem 7: minimally intersting triples
- Replies: 1
- Views: 2244
AIME 2010 problem 7: minimally intersting triples
Define an ordered triple (A, B, C) of sets to be minimally intersecting if $|A \cap B| = |B \cap C| = |C \cap A| = 1$ and $A \cap B \cap C = \emptyset$. For example, $(\{1,2\},\{2,3\},\{1,3,4\})$ is a minimally intersecting triple. Let $N$ be the number of minimally intersecting ordered triples of s...
- Thu Dec 23, 2010 11:34 am
- Forum: Social Lounge
- Topic: Forum should enable support system for math clubs
- Replies: 11
- Views: 7602
Forum should enable support system for math clubs
This forum should include a section which will be a place for exchanging information regarding activities of math clubs. That will give the opportunity of gathering under the same roof and a more synchronized acion plan for clubs sround the country....
- Wed Dec 22, 2010 11:43 pm
- Forum: Combinatorics
- Topic: Pirate again !!
- Replies: 7
- Views: 5091
Re: Pirate again !!
I just figured out the following: If Pirates 1,2 and 3 are killed, then all the coins go to pirate 5. He'll say no to whatever P4 proposes. Same happens if 1&2 are killed, No of 5 will get him all. This implies, if "its better to get killed then getting nothing" is as irrational as it sounds, 3&4 wi...
- Wed Dec 22, 2010 2:40 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO 2010 higher secondary Q. 6
- Replies: 7
- Views: 6043
Re: BdMO 2010 higher secondary Q. 6
If the condition $a \ne b$ is not imposed, the result is correct.
However, dealing with quadratic residue of $5$ gives a much direct access to the problem. What Urmi did is just a "broken into pieces" method of the easier one.
Nice solution
However, dealing with quadratic residue of $5$ gives a much direct access to the problem. What Urmi did is just a "broken into pieces" method of the easier one.
Nice solution
- Sun Dec 19, 2010 2:30 pm
- Forum: National Math Olympiad (BdMO)
- Topic: The biggest value of k
- Replies: 15
- Views: 9533
Re: The biggest value of k
I misevaluated the sum...
however, $4107=3.1369$ which implies that it is divisible by $3$. The result is $1$
This question is from BdMO national of 2007, I was an attendee there and I know the result right
however, $4107=3.1369$ which implies that it is divisible by $3$. The result is $1$
This question is from BdMO national of 2007, I was an attendee there and I know the result right
- Sun Dec 19, 2010 11:17 am
- Forum: Divisional Math Olympiad
- Topic: A problem of Modular Arithmetic
- Replies: 9
- Views: 5792
Re: A problem of Modular Arithmetic
The numbers are of the form $60n+1$ There's no single residue when dividing by 7, can there be? amar $60n-2$ ashche ken???? I'm sorry. I just misread the problem (which is quite common with me :cry: ). $60n-2$ is the correct one. However, that doesnt change the scenario much, sicne it still offers ...
- Sun Dec 19, 2010 11:01 am
- Forum: Divisional Math Olympiad
- Topic: Progression of 3 and their powers
- Replies: 8
- Views: 4754
Re: Progression of 3 and their powers
Try thinking in base 3