ECZ 2022 · GCE Paper 1 — Sets
Given that E={1,2,3,4,5,6,7,8,9,10},A={ Prime numbers }, B={ Multiples of 3}, list (A∪B)'.
- A. {4,8,10}
- B. {1,2,4,5,7,8,10}
- C. {2,3,5,6,7,9}
- D. {1,4,8,10}
Verified working — step 1
A={2,3,5,7},B={3,6,9}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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question