3² = 9
5² = 25
7² = 49
9² = 81
11² = 121
So value of x= 1
A' means "complement of A" → all elements in universal set U that are not in A.
U = {1, 2, 3, 4, 5}
A = {2, 4}
Remove 2 and 4 from U → left with {1, 3, 5}
Last verified on 07-06-2026
Last verified on 04-06-2026
Option C is right answer.
Last verified on 26-05-2026
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