U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, A = {2, 4, 6, 8, 10, 12} এবং B = {2, 3, 5, 7} হলে, A' ∪ B কত?

• ক {1, 2, 7, 9, 11, 13}
• খ {1, 7, 9, 11}
• গ {1, 2, 3, 5, 7}
• ঘ {1, 2, 3, 5, 7, 9, 11} ✅ সঠিক উত্তর