User talk:Darcourse
Joke!!![edit]
Two Chinese brothers, Wong A. and Wong B., decide to set up a paint factory 'TuWongs'. They only sell the darker shades. Why?
Because TuWongs don't make a white!
Lexical[edit]
What are called 00101101 and 3,5,6,8?
Coupon collection[edit]
An album has 100 places. A sticker pack of 5 costs $1. Individual named stickers cost $10 each. When it is wise to buy individual stickers instead of packs?
Pythagoras puzzle[edit]
If and , can all be squares?
Triangles[edit]
Let T be a triangle, and X,Y,Z be points on each edge, not at a vertex. The lines XY, YZ, XZ meet the triangle's extended edges at P, Q, R.
How is related to ?
Congruent number[edit]
The congruent number problem asks which square numbers are in an arithmetic progression of 3.
Are there higher powers such that 3 lie in an AP?