## Search found 829 matches

Fri Jan 18, 2013 5:13 pm
Forum: News / Announcements
Replies: 1
Views: 2057

I really appreciate the decision. But, again the question is not about just rules or copyright. It is also about self respect. What is the site doing ? It is helping people to know about their capability. So, when one does his jobs in his brilliant account, he is testing himself. Is it just for gett...
Thu Jan 17, 2013 10:48 pm
Forum: Number Theory
Replies: 8
Views: 3411

Rafe wrote:$a,b,c,d,.....$ is a sequence.the number of products of $a,b,c,d,....$ is $2,3,4,5,....$ find the minimum value of a in natural number
How can a natural number have a limited number of products ?
Are you talking about factors ?
Thu Jan 17, 2013 10:44 pm
Forum: Combinatorics
Topic: from 1 to 100
Replies: 8
Views: 3980

### Re: from 1 to 100

Share it, kindly, then.
Thu Jan 17, 2013 8:54 pm
Forum: Combinatorics
Topic: from 1 to 100
Replies: 8
Views: 3980

### Re: from 1 to 100

i want the answer that how many answers will be same.for example $100$ can be got in $49$ ways, $99$ can be $50$ ways....i want the total sum. Let us see how much far I can go :? we can get, $5,6...197$ as same sums. $5,6;7,8;9,10;11,12;.........;99,100$ can be got in $2;3;4;5.......;49$ ways. now,...
Thu Jan 17, 2013 11:23 am
Forum: Primary Level
Topic: গনিত নয় ধাঁধাঁ
Replies: 5
Views: 6543

### Re: গনিত নয় ধাঁধাঁ

saminreja wrote:সংখ্যাগুলো হল : -2, -3, 4, 7, 8

Barisal Zilla School
কিন্তু, এখানে ঠিক কোনগুলোকে যোগ করলে $0$ হয় ?
Thu Jan 17, 2013 11:18 am
Topic: Some problems of last year divisionals, I need help for
Replies: 36
Views: 12074

### Re: Some problems of last year divisionals, I need hel for

More problems have arrived............ Dhaka Secondary 2012 $10.$ In the given diagram, both $ABC$ and $DBE$ are right triangles, $B$ being the right angle for both. They have hypotenuses of same length. $DE$ is perpendicular on $BC$. Area of $ABC$ is $\sqrt 3$ times of $DEF$. Find $\angle BDE$. Is...
Thu Jan 17, 2013 9:51 am