If A = {1, 2, 3} and B = {3, 8}, then (A ∪ B) × (A ∩ B) is

A = {1, 2, 3}, B = {3, 8}

A ∪ B = {1, 2, 3, 8}

A ∩ B = {3}

∴ (A ∪ B) × (A ∩ B) = {(1, 3), (2, 3), (3, 3), (8, 3)}

Hence (2) is the correct answer.