Activity Highlights
Last visited
Jan 31, 2014 02:06 pm
Most active topic
If (n-2)! = (n! + (n-1)!)/99, and n is a positive integer, then n=?
Most active forum
Problem Solving (PS)
Top Posts
Show all
2^(22) + 2^(23) + 2^(24) + ... + 2^(43) + 2^(44) =
Nov 21, 2010
6
X, Y, and Z are three different Prime numbers, the product
Dec 09, 2010
4
For all real numbers a and b, where a ⋅ b =/ 0, let a◊b = ab
Oct 04, 2010
3
Re: Tough airthmetic
Dec 06, 2010
3
Rewards & Achievements
0
Max points for Bronze tier are 99, Silver 199, and Gold 399. 25 Kudos points are needed to move to Silver tier. Please see FAQ for more details
Points
0
Badges
0
Rewards