Edexcel IGCSE Math A Foundation 1.5 D Complements of Sets Questions

Practise complement questions by listing A' or outside-union members and using empty intersections to choose valid values.

Exam points

List members of A' or (A ∪ B)' from the universal set without repeats.
Find set D when D ∩ (A ∪ C) is empty by choosing only members outside the union.
Use complement notation to identify counts or members outside named sets.

[Maximum number: 1]

$20 \mathscr{E}=\{1,2,3,4,5,6,7,8,9,10\}$ $A=\{$ factors of 6 $\}$ $B=\{$ prime numbers $\}$

$A^{\prime}$

Harpreet states that $A \cap B=\varnothing$
Harpreet is incorrect.

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