We have two sections here.
SECTION I. s p 
These will be mathematics related.
These will test your 'knowledge base'.
These will also help to enhance your 'knowledge base'.
You will be made to think and reason logically, arrive at conclusions etc.
In other words, you will develop your APTITUDE!
SECTION II. s p 
These will be graded Aptitude Problems.
[ General Level-1 ]
[ General Level-2 ]
[ General Level-3 ]
These will test your 'Lateral Problem Solving Skills'.
One would be encouraged to:
s p Develop and Use mental models and
s p Lateral, Un-conventional, Non-formal (non-school) methods
s p With least paper work at
s p High speed
s p Using Fewer steps
Obviously there is no age limit or any other condition of any kind.
Anyone of any age with any background is welcome to take part.