ECZ 2011 · O-Level Paper 1 — Sets
The diagram shows three sets A, B and C in the universal set E. Which description matches the region A' n (B u C)?
- A. Everything that lies in A, B or C
- B. The part of A that lies outside both B and C
- C. The parts of B and C that lie outside A
- D. Only the region common to all three sets
Verified working — step 1
A' is everything outside A. B u C is everything in B or C. Inter…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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