A) 3
B) 6
C) 12
D) 9
Correct Answer: B
Solution :
Given,\[G=\{3,\,\,6,\,\,9,\,\,12\}\] The composition table is\[{{\times }_{15}}\] | 3 | 6 | 9 | 12 |
3 6 9 12 | 9 3 12 6 | 3 6 9 12 | 12 9 6 3 | 6 12 3 9 |
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