Search found 5 matches
- Sun May 27, 2018 4:15 pm
- Forum: Divisional Math Olympiad
- Topic: Chittagong Secondary 2017#4
- Replies: 7
- Views: 13831
Re: Chittagong Secondary 2017#4
No,you can't Check practically in a real chessboard.
- Wed May 02, 2018 8:03 pm
- Forum: Divisional Math Olympiad
- Topic: Chittagong Secondary 2017#4
- Replies: 7
- Views: 13831
Re: Chittagong Secondary 2017#4
Hint There are $2015$ black squares in that chess board Answer $2015$ Sorry brother,your solution is not right :oops: :!: .It doesn't mean that if there are 2015 black squares then there can be placed 2015 horses at the maximum rate.First think about 5*2 chessboard.You can put at most 4 horses in 5...
- Tue Mar 27, 2018 6:10 pm
- Forum: Primary Level
- Topic: Combinatorics
- Replies: 6
- Views: 11205
Combinatorics
In how many ways can COMPUTER be spelled by moving either down or diagonally to the right showed in the figure below??
- Tue Mar 27, 2018 4:11 pm
- Forum: Introductions
- Topic: Combinatorics
- Replies: 4
- Views: 28340
Re: Combinatorics
The problem is solved for ordered pairs in your suggested book.But I want the solution for the unordered pairs.Detailed help will be much appreciated.
- Thu Mar 15, 2018 10:48 am
- Forum: Introductions
- Topic: Combinatorics
- Replies: 4
- Views: 28340
Combinatorics
How many pairs of natural number can be formed whose LCM will be 7000?This problem has been taken from bdmo regional contest. As I am a new learner,please help me solving the problem in detail.