Q:
      
      
         
            
Group the given figures into three classes using each figure only once.
 
         
       
      
         
            
               | A) 1,3,9 ; 2,5,6 ; 4,7,8 | B) 1,3,9 ; 2,7,8 ; 4,5,6 | 
            
               | C) 1,2,4 ; 3,5,7 ; 6,8,9 | D) 1,3,6 ; 2,4,8 ; 5,7,9 | 
         
       
      
         
            
               | A) 1,3,9 ; 2,5,6 ; 4,7,8 | 
            
               | B) 1,3,9 ; 2,7,8 ; 4,5,6 | 
            
               | C) 1,2,4 ; 3,5,7 ; 6,8,9 | 
            
               | D) 1,3,6 ; 2,4,8 ; 5,7,9 | 
         
       
      
          
      
      
          Answer & Explanation
         Answer: A) 1,3,9 ; 2,5,6 ; 4,7,8         
         
Explanation: 1,3,9 have one element placed inside a different element.
2,5,6 contain two mutually perpendicular lines dividing the figure into four parts.
4,7,8 have two similar elements (unequal in size) attached to each other.
 
 
       
      
      
      
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