Question - 
            
            
            
            
            Answer - 
            1 ×6 1= remainder obtained by dividing 1 × 1 by 6
= 1
3 ×6 4= remainder obtained by dividing 3 × 4 by 6
= 0
4 ×6 5= remainder obtained by dividing 4 × 5 by 6
= 2
So, the compositiontable is as follows:
   |    ×6    |      0    |      1    |      2    |      3    |      4    |      5    |  
   |    0    |      0    |      0    |      0    |      0    |      0    |      0    |  
   |    1    |      0    |      1    |      2    |      3    |      4    |      5    |  
   |    2    |      0    |      2    |      4    |      0    |      2    |      4    |  
   |    3    |      0    |      3    |      0    |      3    |      0    |      3    |  
   |    4    |      0    |      4    |      2    |      0    |      4    |      2    |  
   |    5    |      0    |      5    |      4    |      3    |      2    |      1    |