Search found 78 matches
- Sat Feb 05, 2011 10:03 pm
- Forum: H. Secondary: Solved
- Topic: Rangpur Higher Secondary 2011/9
- Replies: 3
- Views: 8559
Re: Rangpur Higher Secondary 2011/9
U just think about how many ways u can make XY.Then the another one is third number.What's problem if it is odd?Bcoz 2^2011+1 is odd.
- Fri Feb 04, 2011 2:18 pm
- Forum: Social Lounge
- Topic: suggestion please...
- Replies: 6
- Views: 4403
Re: suggestion please...
www.e-booksdirectory.com is a good source of any mathematical books.Where u can find the books in PDF file.and u don't have to spare money.
- Fri Feb 04, 2011 12:51 am
- Forum: Divisional Math Olympiad
- Topic: Barishal higher sec 10
- Replies: 9
- Views: 5269
Re: Barishal higher sec 10
most probably it is their intersecting point.The question has not definition about it
- Fri Feb 04, 2011 12:48 am
- Forum: Divisional Math Olympiad
- Topic: Barishal higher sec 2011/7
- Replies: 4
- Views: 3111
Barishal higher sec 2011/7
Avik has 12 balls and subroto has 20 balls.They both divide their balls in 2 boxes each so that each of the boxes has odd number of balls.Then they exchange one box with each other.What is the probability that their total number of balls has remained the same?
- Fri Feb 04, 2011 12:37 am
- Forum: Divisional Math Olympiad
- Topic: Gopalgang sec 2011
- Replies: 2
- Views: 2402
Re: Gopalgang sec 2011
u r right thnx
- Fri Feb 04, 2011 12:34 am
- Forum: Divisional Math Olympiad
- Topic: Barishal higher sec 10
- Replies: 9
- Views: 5269
Barishal higher sec 10
In triangle ABC angle BAC is 60.AD,BE,CF are the angle bisector of angle A,B.C respectively.Find the value of angle FEI&EFI?
- Fri Feb 04, 2011 12:18 am
- Forum: Divisional Math Olympiad
- Topic: Gopalgang sec 2011
- Replies: 2
- Views: 2402
Gopalgang sec 2011
Let f(x) be a function with two properties f(xy)=x.f(y) &f(1)=25 find f(79)
- Fri Feb 04, 2011 12:10 am
- Forum: Divisional Math Olympiad
- Topic: Gopalgang higher sec 2011 07
- Replies: 1
- Views: 1888
Re: Mymensingh higher sec 2011 07
Add all the eqn and the ans is 351
- Fri Feb 04, 2011 12:05 am
- Forum: Divisional Math Olympiad
- Topic: Gopalgang higher sec 2011 07
- Replies: 1
- Views: 1888
Gopalgang higher sec 2011 07
A-B=1,B-C=2,C-D=3,..........X-y=25,Y-Z=26 find A-Z
- Thu Feb 03, 2011 11:48 pm
- Forum: Divisional Math Olympiad
- Topic: Gopalgang higher hisec 2011 08
- Replies: 24
- Views: 12152
Gopalgang higher hisec 2011 08
S={1,2,3,.........,441}&X is a subset of S that no two member of X is a square less or equal to 21^2.What is the largest number of elements can X have?