Mathematics 4024 · O Level · Sets

Sets — practice question

(a)[1]

$P = \{1,2,3,4,5,6,7,8\}$, $Q = \{1,3,5,7,9,11\}$. Find $n(P \cup Q)$.

(b)[3]

$p \in A \cap B$, $q \in (A \cup B)'$, $r \in A \cap B'$. On the Venn diagram, place each of the letters $p$, $q$ and $r$ in the correct subset.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$n(P\cup Q)=10$ or $10$” …