ECZ 2023 · O-Level Paper 1 — Sets
The Venn diagram shows three sets P,Q and R . Use set notation to describe the shaded part.
- A. P∩(Q∪R)
- B. P∪(Q∩R)
- C. (P∩Q)∪R
- D. P′∩(Q∪R)
Verified working — step 1
All shaded parts lie inside P. Within P, the shading includes the overlap with Q, the overlap with R, and the central region shared by all three sets. Therefore, shade the parts of P that are also in Q or R: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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