Search found 120 matches
- Sun Feb 18, 2018 10:00 am
- Forum: Secondary Level
- Topic: combinatorics
- Replies: 20
- Views: 11665
Re: combinatorics
Wow... It is like a whole course in Bangla. The administrators should active these forums all the time.
- Sun Feb 18, 2018 8:28 am
- Forum: Site Support
- Topic: general Question
- Replies: 14
- Views: 29903
Re: general Question
I think Zawad sir has generously permitted all.ahmedittihad wrote: ↑Sun Feb 18, 2018 8:25 amZawad sir, can I invite my friends to come and play here?
- Sun Feb 18, 2018 8:19 am
- Forum: Primary Level
- Topic: Primary level maths problem, please help
- Replies: 15
- Views: 19224
Re: Primary level maths problem, please help
samiul_samin wrote: ↑Sat Feb 17, 2018 10:43 pmSolutionM. M. Fahad Joy wrote: ↑Sat Feb 17, 2018 9:39 pmHow have you solve the problem? Can someone suggest me?
No, I said by the rules on N(N+1)
- Sun Feb 18, 2018 8:18 am
- Forum: Secondary Level
- Topic: combinatorics
- Replies: 20
- Views: 11665
Re: combinatorics
Thanks a lot.
- Sun Feb 18, 2018 8:15 am
- Forum: Astronomy & Astrophysics
- Topic: Astronomy Olympiad 2018
- Replies: 10
- Views: 7816
Re: Astronomy Olympiad 2018
Ok, thanks a lot for your information.
- Sat Feb 17, 2018 9:39 pm
- Forum: Primary Level
- Topic: Primary level maths problem, please help
- Replies: 15
- Views: 19224
Re: Primary level maths problem, please help
How have you solve the problem? Can someone suggest me?
- Sat Feb 17, 2018 9:32 pm
- Forum: International Mathematical Olympiad (IMO)
- Topic: IMO 2017 problem -5
- Replies: 2
- Views: 7294
Re: IMO 2017 problem -5
An integer $N\geq2$ is given.A collection of $N(N+1)$ soccer players,no two of whom are of the same height stand in a row.Sir Alex wants to remove $N(N-1)$ players from this row leaving a new row of $2N$ players in which the following $N$ condition holds: $(1)$ no one stands between the two tallest...
- Sat Feb 17, 2018 9:25 pm
- Forum: Secondary Level
- Topic: combinatorics
- Replies: 20
- Views: 11665
Re: combinatorics
Sorry, don't understand. Would you please make understand me?
- Sat Feb 17, 2018 9:19 pm
- Forum: Astronomy & Astrophysics
- Topic: Astronomy Olympiad 2018
- Replies: 10
- Views: 7816
Re: Astronomy Olympiad 2018
Has there any website of Astronomy Olympiad?
- Sat Feb 17, 2018 9:15 pm
- Forum: Astronomy & Astrophysics
- Topic: Astronomy Olympiad 2018
- Replies: 10
- Views: 7816
Re: Astronomy Olympiad 2018
When will It be published?