Search found 27 matches
- Mon Feb 07, 2011 10:43 am
- Forum: Physics
- Topic: একটি সমস্যা
- Replies: 2
- Views: 2505
একটি সমস্যা
উড়োজাহাজ থেকে কোন বস্তু ফেলে দেওয়া হলে সেটি ঠিক কিভাবে পড়বে????????????????
- Fri Jan 21, 2011 12:13 pm
- Forum: Number Theory
- Topic: Prime or Composite?????????????/
- Replies: 5
- Views: 4180
Re: Prime or Composite?????????????/
মুন ভাইয়া আমি তো সেই আঁধারেই থাকলাম।
শুধু জানলাম এটা composite.
শুধু জানলাম এটা composite.
- Fri Jan 21, 2011 12:10 pm
- Forum: Social Lounge
- Topic: My first div MO
- Replies: 17
- Views: 10499
Re: My first div MO
আসলেই পড়ে ভাল লাগলো।
- Mon Jan 03, 2011 12:09 am
- Forum: H. Secondary: Solved
- Topic: Dhaka Higher Secondary 2010/2 (Secondary 2010/9)
- Replies: 17
- Views: 21282
Re: Find the area??!!
Please show the way of finding the area.............
- Sun Jan 02, 2011 6:53 pm
- Forum: Number Theory
- Topic: Prime or Composite?????????????/
- Replies: 5
- Views: 4180
Prime or Composite?????????????/
Is \[\frac{2^{58}+1}{5} \] prime or composite?
- Sun Jan 02, 2011 6:42 pm
- Forum: Divisional Math Olympiad
- Topic: Which one is bigger?
- Replies: 8
- Views: 4997
Re: Which one is bigger?
Tnx everyone.There is another problem.
Which one is bigger?
\[100^{^{300}} or 300!\]
Which one is bigger?
\[100^{^{300}} or 300!\]
- Thu Dec 30, 2010 10:54 pm
- Forum: Divisional Math Olympiad
- Topic: Which one is bigger?
- Replies: 8
- Views: 4997
Which one is bigger?
Which one is bigger?
\[2003^{100} or 2002^{100}+2002^{99}\]
\[2003^{100} or 2002^{100}+2002^{99}\]
- Thu Dec 30, 2010 10:49 pm
- Forum: Divisional Math Olympiad
- Topic: digit again
- Replies: 10
- Views: 6723
Re: digit again
Tnx labib vaia.9এর জায়গায় 0 বসেছে খেয়াল করি নি।
- Thu Dec 30, 2010 6:23 pm
- Forum: Divisional Math Olympiad
- Topic: digit again
- Replies: 10
- Views: 6723
Re: digit again
\[6^{2011}\equiv 56(mod 100)
7^(2011)\equiv 43(mod 100)
so the ans is 6^{2011}+7^{2011}\equiv 99(mod 100)\]
7^(2011)\equiv 43(mod 100)
so the ans is 6^{2011}+7^{2011}\equiv 99(mod 100)\]
- Thu Dec 30, 2010 2:14 am
- Forum: Divisional Math Olympiad
- Topic: digit again
- Replies: 10
- Views: 6723
Re: digit again
The last two digits of \[6^{2007}\equiv 36(mod 100) and 7^{2007}\equiv43(mod 100) \]
so the ans is (36+43)=79............
so the ans is (36+43)=79............