Dhaka Divisional Higher Secondary 2011
Forum rules
Please don't post problems (by starting a topic) in the "X: Solved" forums. Those forums are only for showcasing the problems for the convenience of the users. You can always post the problems in the main Divisional Math Olympiad forum. Later we shall move that topic with proper formatting, and post in the resource section.
Please don't post problems (by starting a topic) in the "X: Solved" forums. Those forums are only for showcasing the problems for the convenience of the users. You can always post the problems in the main Divisional Math Olympiad forum. Later we shall move that topic with proper formatting, and post in the resource section.
Finally BdMO 2011 problem set is available. Starting from the Higher Secondary.
Challenge yourself and have fun!
Challenge yourself and have fun!
- Attachments
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- dhaka_Higher secondary 2011.pdf
- Dhaka Higher Secondary Divisional 2011
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"Inspiration is needed in geometry, just as much as in poetry." -- Aleksandr Pushkin
Please install LaTeX fonts in your PC for better looking equations,
learn how to write equations, and don't forget to read Forum Guide and Rules.
Please install LaTeX fonts in your PC for better looking equations,
learn how to write equations, and don't forget to read Forum Guide and Rules.
Re: Dhaka Divisional Higher Secondary 2011
Shit! I have no pdf reader for my mobile. Please give a link, please!
A man is not finished when he's defeated, he's finished when he quits.
- Tahmid Hasan
- Posts:665
- Joined:Thu Dec 09, 2010 5:34 pm
- Location:Khulna,Bangladesh.
Re: Dhaka Divisional Higher Secondary 2011
Ans issa kore muche disi ...bcz you have to discuss them in the forum. That is the best way to learn problem solving.You have to discuss.
@hasib: I am going to post the problems soon. (within an hour) So don't worry.
@hasib: I am going to post the problems soon. (within an hour) So don't worry.
"Inspiration is needed in geometry, just as much as in poetry." -- Aleksandr Pushkin
Please install LaTeX fonts in your PC for better looking equations,
learn how to write equations, and don't forget to read Forum Guide and Rules.
Please install LaTeX fonts in your PC for better looking equations,
learn how to write equations, and don't forget to read Forum Guide and Rules.
- Tahmid Hasan
- Posts:665
- Joined:Thu Dec 09, 2010 5:34 pm
- Location:Khulna,Bangladesh.
Re: Dhaka Divisional Higher Secondary 2011
could solve only 6 probs in 1:15 hours :'(
বড় ভালবাসি তোমায়,মা
Re: Dhaka Divisional Higher Secondary 2011
Moon vai- please, quick give me. Felt crazy!
A man is not finished when he's defeated, he's finished when he quits.
- Tahmid Hasan
- Posts:665
- Joined:Thu Dec 09, 2010 5:34 pm
- Location:Khulna,Bangladesh.
Re: Dhaka Divisional Higher Secondary 2011
soln for num 1:
Last edited by Tahmid Hasan on Sat Jan 29, 2011 7:29 pm, edited 4 times in total.
বড় ভালবাসি তোমায়,মা
- Tahmid Hasan
- Posts:665
- Joined:Thu Dec 09, 2010 5:34 pm
- Location:Khulna,Bangladesh.
Re: Dhaka Divisional Higher Secondary 2011
no.2:the 3 digit numbers with the three same digits are 111,222,333,....999
trial and error
ans:2
trial and error
ans:2
বড় ভালবাসি তোমায়,মা
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- Posts:3
- Joined:Wed Jan 12, 2011 10:43 pm
Re: Dhaka Divisional Higher Secondary 2011
Frst prblm: 117
Scnd: 12
Thrd: B= empty set
4th: a=12
5th: R= -1
7th: 2/3
Vul hoile bekkha dio (Mun)
Scnd: 12
Thrd: B= empty set
4th: a=12
5th: R= -1
7th: 2/3
Vul hoile bekkha dio (Mun)
Re: Dhaka Divisional Higher Secondary 2011
Tahmid: Your first solution was correct. The second one is wrong.
Don't worry about how many you solved during time pressure. Mathematics is not a sport. It is meant to be enjoyed.
I also failed to solve all of the problems in 75 minutes
Don't worry about how many you solved during time pressure. Mathematics is not a sport. It is meant to be enjoyed.
I also failed to solve all of the problems in 75 minutes