PDF chapter test TRY NOW
1. From the Venn diagram, verify that \(n(A \cup B) = n(A) + n(B) - n (A \cap B)\).
![A_22_new.png](https://resources.cdn.yaclass.in/19bffebe-5a26-492d-8a5b-8521392d51cd/A22neww300.png)
2. If \(n(A) = 36\), \(n(B) = 10\), \(n(A \cup B) = 40\), and \(n(A') = 27\), find \(n(U)\) and \(n(A \cap B)\).
\(n(U)\) \(=\)
\(n(A \cap B\) \(=\)
3. Let \(A = \{b, d, e, g, h\}\) and \(B = \{a, e, c, h\}\). Verify that \(n(A - B) = n(A) - n(A \cap B)\).
Important!
This is a self assessment task. Solve this question and assess the solution steps after the completion of test on your own.