Search found 411 matches
- Wed Jan 29, 2014 4:25 pm
- Forum: Divisional Math Olympiad
- Topic: Re: Dhaka-2 Higher Secondary 2013 / 8
- Replies: 3
- Views: 2879
Re: Dhaka-2 Higher Secondary 2013 / 8
A sequence of real numbers $x_i$ is defined such that its first term $x_0 = 1$ and for $n\geq 1, x_n = \sqrt {2x_{n-1}+4}$. The terms of this sequence are never larger than a certain real number. This real number can be written as $a+b\sqrt{c}$. Find $a+b+c$.
- Wed Jan 29, 2014 4:14 pm
- Forum: Divisional Math Olympiad
- Topic: Dhaka-2 Higher Secondary 2013 / 10
- Replies: 1
- Views: 2103
Dhaka-2 Higher Secondary 2013 / 10
Find the area of the region of all points satisfying the inequalities \(x^2 + y^2 \leq 16\) and \(sin (x+y) \leq 0\).
- Thu Jan 23, 2014 4:17 pm
- Forum: National Math Olympiad (BdMO)
- Topic: Secondary,Higher secondary 2010
- Replies: 2
- Views: 2279
Re: Secondary,Higher secondary 2010
Solutions have been posted for the problem in this link
I also found a nice solution at brilliant.org (requires login)
I also found a nice solution at brilliant.org (requires login)
- Wed Jan 22, 2014 9:13 pm
- Forum: National Math Olympiad (BdMO)
- Topic: Secondary,Higher secondary 2010
- Replies: 2
- Views: 2279
Re: Secondary,Higher secondary 2010
Please check if a problem has been posted earlier.
Here's a post for this problem (although not solved). Ask for a solution there.
BdMO national 2009/11
If you have problem finding past HS problems, here is an archive of past problems.
Archive
Here's a post for this problem (although not solved). Ask for a solution there.
BdMO national 2009/11
If you have problem finding past HS problems, here is an archive of past problems.
Archive
- Wed Jan 22, 2014 8:33 pm
- Forum: Junior Level
- Topic: MCQ highest
- Replies: 3
- Views: 5211
Re: MCQ highest
It's a problem from Brilliant.org. The problem name is Mathematics Exam (Login required to see the problem/solution). I'm posting a solution posted by a brilliant member named Patrick Corn. Each question can be answered correctly on at most $11$ papers. This is because any two students who answer it...
- Wed Jan 22, 2014 7:42 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2013: Primary 1
- Replies: 15
- Views: 15265
Re: BdMO National 2013: Primary 1
Only 7 days @Ahnaf Akif Pathan Please post your full solution. People actually post problems, because they do not know how to approach or solve the full problem(and sometimes to share good problems). If they just needed an answer, they would just use a computer. So kindly practice posting full solu...
- Sun Jan 19, 2014 11:46 am
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National 2013: Primary 1
- Replies: 15
- Views: 15265
Re: BdMO National 2013: Primary 1
Please post your full solution here.
And just to let you know, your answer is not correct.
Think harder.
And just to let you know, your answer is not correct.
Think harder.
- Sun Jan 19, 2014 11:38 am
- Forum: Junior Level
- Topic: REGIONAL OLYMPIAD PROBLEM
- Replies: 4
- Views: 4056
Re: REGIONAL OLYMPIAD PROBLEM
Opened a separate thread for the problem:
Chittagong Junior 2013 / 9
Chittagong Junior 2013 / 9
- Sun Jan 19, 2014 11:08 am
- Forum: Divisional Math Olympiad
- Topic: Chittagong Junior 2013 / 9
- Replies: 1
- Views: 2256
Chittagong Junior 2013 / 9
In the figure, O is the centre of the circle and $OA = 10$ is perpendicular on $OB$. Perimeter of the $OGFE$ rectangle is $24$. The perimeter of area $AEGBF$ can be written as $n+m\pi$. Find $n\times m$.
- Sat Jan 18, 2014 6:51 am
- Forum: News / Announcements
- Topic: BDOI 2013 Problems Posted
- Replies: 2
- Views: 8533
Re: BdOI National Problems
These problems were not put on any OJ so far.
Until then, people, if they are interested, can discuss here.
We think, it's better than waiting for an OJ to publish them.
Until then, people, if they are interested, can discuss here.
We think, it's better than waiting for an OJ to publish them.