Q1. If n(A) = 15, n(A ⋃ B) = 29, n(A ⋂ B) = 7, then n(B) = ? Q2. Multiply: (3√2 - √3)(4√3 - √2) Q3. If A = {a, b, c, d, e}, B = {c, d, e, f}, C = {b, d}, and D = {a, e}, then which of the following statements are true and which are false? (i) A ⊆ D (ii) D ⊆ A (iii) B ⊆ A *
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