Search found 188 matches
- Mon Jan 30, 2012 7:08 pm
- Forum: Secondary Level
- Topic: Weighty Problem
- Replies: 7
- Views: 3907
Re: Weighty Problem
Mahi Vaia,Thanks a lot,I wanted to post about this but i have now got in advance. Is there any prof of that??There is a question in Kaykobad sir's book that,How many weighing is required to find the lighter coin among $n$ coins? I am supposed to give a logical answer.
- Mon Jan 30, 2012 11:59 am
- Forum: Secondary Level
- Topic: Weighty Problem
- Replies: 7
- Views: 3907
Re: Weighty Problem
i solved exactly like that but i think there is more then one solution....
- Sun Jan 29, 2012 8:16 pm
- Forum: Junior Level
- Topic: A train Journey
- Replies: 1
- Views: 1904
Re: A train Journey
I should have posted this in primary level.
- Sun Jan 29, 2012 7:06 pm
- Forum: Junior Level
- Topic: National2009/4
- Replies: 8
- Views: 14314
Re: National2009/4
http://www.wolframalpha.com/input/?i=x% ... -16*y%2B10
Hyperbolic Paraboloid.
Hyperbolic Paraboloid.
- Sat Jan 28, 2012 9:40 pm
- Forum: Social Lounge
- Topic: Information of Bdmo2012
- Replies: 3
- Views: 3299
Re: Information of Bdmo2012
Yes...Thanks for providing with information
- Sat Jan 28, 2012 3:27 pm
- Forum: Secondary Level
- Topic: Weighty Problem
- Replies: 7
- Views: 3907
Re: Weighty Problem
At least try.........
- Fri Jan 27, 2012 9:03 pm
- Forum: Number Theory
- Topic: Practice Problems For Choosing mod
- Replies: 14
- Views: 7895
Re: Practice Problems For Choosing mod
I am posting some problems together for the purpose(though the idea of posting no more than one problem was from myself, as far I remember). Problem 1: Find all positive integer solutions to the equation: \[x_1^4+x_2^4+...+x_{14}^4=1599\] Problem 2: Find primes $p$ such that $11^p+10^p$ is a perfec...
- Fri Jan 27, 2012 8:41 pm
- Forum: Secondary Level
- Topic: sum
- Replies: 2
- Views: 2377
Re: sum
\[10^{101}\]
- Fri Jan 27, 2012 7:53 pm
- Forum: Social Lounge
- Topic: Information of Bdmo2012
- Replies: 3
- Views: 3299
Information of Bdmo2012
hey,when we will be notified about our national bdmo exam????Will we get a reply of our letter or not?
- Fri Jan 27, 2012 7:45 pm
- Forum: Secondary Level
- Topic: 1 by 0....infinity
- Replies: 4
- Views: 3257
Re: 1 by 0....infinity
What is the sign of ur infinity? remember it can be positive or may be negative.so,which infinity will you take? :lol: And ur prof contradicts with principles of mathematics.Look, if\[a/0=b\] where a is a natural number.Now,\[a=b*0\]And if b is infinity then.\[a=\infty *0=0\]But this conradicts with...