Q)
Consider the sets $ \phi $, A = {1, 3 }, B = {1, 5, 9}, C = {1, 3, 5, 7, 9}. Insert the symbol $ \subset$ or $ \not{\subset}$ between each of the following pair of sets: \[\] (i) $ \phi $ . . . B $ \qquad $ (ii) A . . . B $ \qquad $ (iii) A . . . C $ \qquad $ (iv) B . . . C
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