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Sid is given a few sets. These are represented as A, B, C, D, E, F and G on a plain sheet of paper as a Venn Diagram.

Q.1. How many empty sets are there in the given Venn Diagram?
(α) 3 (b) 2 (c) 1 (d) 0
Q.2. How many singleton sets are there in the given Venn Diagram ?
(α) 0 (b) 1 (c) 2 (d) 3
Q.3. How many pairs of equivalent sets are there in the given Venn Diagram ?
(a) 1 (b) 2 (c) 3 (d) 4
Q.4. How many pairs of equal sets are there in the given Venn Diagram ?
(α) 0 (b) 1 (c) 2 (d) 3