Problem solving websites needed

1. Jul 30, 2009

Vals509

Hi all
Can anyone give me some websites which are on problem solving. When i mean problem solving, i mean logical sums not you standard maths problems. Also i want it to be a high school difficulty, not a uni type.

Any websites are greatly appreciated

2. Jul 30, 2009

n!kofeyn

Last edited by a moderator: Apr 24, 2017