Search found 181 matches
- Mon Apr 30, 2018 2:39 am
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO 2017 National round Secondary 1
- Replies: 19
- Views: 17187
Re: BDMO 2017 National round Secondary 1
And I'm better than you.
- Mon Apr 30, 2018 2:38 am
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO 2017 National round Secondary 1
- Replies: 19
- Views: 17187
Re: BDMO 2017 National round Secondary 1
SMMamun math pare na chi chi chi
- Mon Apr 23, 2018 12:39 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO 2017 National round Secondary 1
- Replies: 19
- Views: 17187
Re: BDMO 2017 National round Secondary 1
Yah well knock me on facebook if you want. I'll explain in detail. Sorry, I can't write an in detailed post about what you're doing wrong.
- Mon Mar 12, 2018 10:50 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO 2018 Secondary/Higher Secondary Problem 8
- Replies: 3
- Views: 4817
BdMO 2018 Secondary/Higher Secondary Problem 8
একটা টুর্ণামেন্ট খেলা হচ্ছে $n$ জনের মধ্যে। সবাই প্রত্যেকের সাথে একবার করে খেলে। কোনো খেলায় ড্র হয় না। একটি সংখ্যা $k$ কে $n$-good বলা হবে যদি এমন কোনো টুর্ণামেন্ট থাকে যাতে করে সে টুর্ণামেন্ট এ যেকোনো $k$ জনের জন্য এমন একজন প্লেয়ার থাকে যে সেই $k$ জনের সবাইকে হারিয়েছে। a) প্রমাণ করতে হবে $n \ge...
- Tue Mar 06, 2018 2:13 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO 2017 National round Secondary 5
- Replies: 15
- Views: 11293
Re: BDMO 2017 National round Secondary 5
Both have $AB$ as radius.....
- Sun Mar 04, 2018 5:12 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO 2017 National round Secondary 1
- Replies: 19
- Views: 17187
Re: BDMO 2017 National round Secondary 1
(a) Bangladesh wins the series in $3$ matches iff they win all $3$ of the games. And the probability of that is $\dfrac{1}{8}$. (b) Out of the $16$ cases of a $4$ length binary string, Only 3 of them satisfy (WWLW, WLWW,LWWW). So the probability here is $\dfrac{3}{16}$. (b) Probability of winning t...
- Fri Mar 02, 2018 3:44 pm
- Forum: National Math Camp
- Topic: The Gonit IshChool Project - Beta
- Replies: 28
- Views: 43426
Re: The Gonit IshChool Project - Beta
I think the next online camp like this won't happen in a while. The national phase of BdMO is coming soon. Then there is camp. So we will be busy with stuff a lot.
- Tue Feb 20, 2018 7:13 am
- Forum: Combinatorics
- Topic: বিয়ে
- Replies: 6
- Views: 14635
Re: বিয়ে
But I'm still the same guy.
- Tue Feb 20, 2018 7:11 am
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO 2017 National round Secondary 1
- Replies: 19
- Views: 17187
Re: BDMO 2017 National round Secondary 1
The key to understanding this problem, as Ahmed pointed out, is that not all cases are equally likely to happen . The probabilities for the series to end in exactly 3 matches and to end in exactly 4 (or 5) matches are not equal, so the 20 cases listed above cannot be treated with equal weights. In ...
- Sun Feb 18, 2018 7:49 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Higher Secondary 2014/2
- Replies: 8
- Views: 5489
Re: BdMO National Higher Secondary 2014/2
What I mean is, you have posted 4 posts which you could have done in 1. That's spamming.