PDF chapter test TRY NOW
1. Insert the appropriate symbol \(\subseteq\) or \(\nsubseteq\) in each blank to make a true statement.
(i) \(\{10, 20, 30\}\) \(\{10, 20, 30, 40 \}\)
(ii) \(\{p, q, r\}\) \(\{w, x, y, z\}\)
2. Find the number of subsets and the number of proper subsets of a set \(X = \{a, b, c, x, y, z\}\).
Number of subsets \(=\)
Number of proper subsets \(=\)
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