O-LevelMathematicsNumber4024/12 · May/June 2022 · Q193 Marks
ε = {a, b, c, d, e, f, g, h, i, j} P = {a, e, i} Q = {f, g, h, i, j} R = {c, d, e, f, g}
- (a)(i)Find P ∪ Q.[1]
- (a)(ii)Find n(P' ∩ (Q ∪ R)).[1]
- (b)[Figure of a Venn diagram with sets A, B, C and a shaded region] Use set notation to describe the shaded subset in the Venn diagram.[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.
- [1] (a)(i) {a, e, f, g, h, i, j}
- [1] (a)(ii) 6
- [1] (b) A ∩ C ∩ B' oe
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