Search found 1007 matches
- Sat Dec 30, 2017 9:23 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Higher Secondary 2009/6
- Replies: 6
- Views: 5475
Re: BdMO National Higher Secondary 2009/6
The correct answer is 1480.
- Sat Dec 30, 2017 9:12 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO National Higher Secondary 2008/2
- Replies: 2
- Views: 3016
Re: BdMO National Higher Secondary 2008/2
the answer is 415. Because if we pick 9 coins of 9 to 50, we can pick 42*9=378 and 378+36=414.So, we we have to pick 415 coins to make sure that we have at least 10 coins of each type.☺☺☺
- Mon Dec 25, 2017 9:40 pm
- Forum: Divisional Math Olympiad
- Topic: BDMO REGIONAL 2015
- Replies: 1
- Views: 2977
Re: BDMO REGIONAL 2015
I think the answer is 27.
- Mon Dec 25, 2017 9:32 pm
- Forum: Higher Secondary Level
- Topic: A strange NUMBER THEORY Problem
- Replies: 4
- Views: 7262
Re: A strange NUMBER THEORY Problem
I also think the question is not right.
- Sat Dec 09, 2017 2:34 pm
- Forum: Site Support
- Topic: Regional Olympiad 2016
- Replies: 3
- Views: 18876
Regional Olympiad 2016
I need help to solve this problem.
- Sat Dec 09, 2017 2:20 pm
- Forum: Number Theory
- Topic: Pairing up consecutive numbers may give a prime..(Self-made)
- Replies: 1
- Views: 5629
Re: Pairing up consecutive numbers may give a prime..(Self-m
Can you give any hint to find the least counterexample n?
- Sat Dec 09, 2017 1:38 pm
- Forum: Divisional Math Olympiad
- Topic: BDMO REGIONAL 2015
- Replies: 4
- Views: 19604
Re: BDMO REGIONAL 2015
Why it is not 5?