AsterQuiz
Revision: Sets, Unions & Intersections
1
1. A={a,e,i,o}, B={all letters}. Correct relation?
A B\u2286A \/ B A\u2286B \/ C A\u2229B={} \/ D no relation
2
2. A={Bambala,Chala,Mulenga}, B={Chala,Mulenga}. Correct relation?
A A\u2286B \/ B A\u2229B={} \/ C B\u2286A \/ D no common elements
3
3. A={all months}, B={months beginning with J}. Correct relation?
A B\u2286A \/ B A\u2286B \/ C A\u2229B={} \/ D unrelated
4
4. A={letters in BOARD}, B={letters in ROAD}. Correct relation?
A A\u2286B \/ B A\u2229B={} \/ C no common letters \/ D B\u2286A
5
5. A={b,c,f}, B={a,b,d,g}. A\u2229B =
A {c} \/ B {b} \/ C {a,b} \/ D {}
6
6. X={kwacha,dollar}, Y={pula,kwacha,pound}. X\u2229Y =
A {dollar} \/ B {pula} \/ C {kwacha} \/ D {pound}
7
7. A={2,4,6}, B={2,5,6,7}. A\u2229B =
A {2,6} \/ B {4,5} \/ C {2,4,6} \/ D {5,7}
8
8. P={letters in crocodile}, Q={letters in dry}. P\u2229Q =
A {r} \/ B {d} \/ C {c,d,r} \/ D {d,r}
9
9. A={Zambia,Malawi}, B={Botswana,Malawi}. Overlap?
A Zambia \/ B Malawi \/ C Botswana \/ D Zambia and Botswana
10
10. A={a,z,t}, B={a,b,c}. A\u222aB =
A {a} \/ B {z,t,b,c} \/ C {a,z,t,b,c} \/ D {a,a,z,t,b,c}
11
11. A={dress,shirt,shorts}, B={shirt,jersey}. A\u222aB =
A {dress,shirt,shorts,jersey} \/ B {shirt} \/ C {dress,shorts,jersey} \/ D repeated shirt
12
12. A={nail,hammer}, B={screw,hammer}. Overlap?
A nail \/ B screw \/ C nail and screw \/ D hammer
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