 
			 
              
                
                post graduation
                
                   1327 Points
                   Joined August 2009
                
               
			  
			  
             
            
             
	Its simple..........................what ever u will select no.
	 
	after deducting the digit u will get  9 and multiple of 9
	9,18,27,36,45 etc
	Now check all the box which are multiple of 9.
	u will get the trick