ECZ 2017 · O-Level Paper 1 — Sets
Given that E = {2, 4, 6, 8, 10, 12}, A = {4, 8, 12} and B = {2, 10, 12}, list A' ∩ B.
- A. {2,10,12}
- B. {6,12}
- C. {2,6,10}
- D. {2,10}
Verified working — step 1
A' (the complement of A) means everything in E that is NOT in A. The ∩ then keeps only what B shares with that list.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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