3.4 SPM Practice (Long Questions)

Question 7:
The Venn diagrams in the answer space shows sets P, Q and R such that the universal set, $\xi =P\cup Q\cup R$ .
On the diagrams in the answer space, shade set
(a) P ∩ Q,
(b) $P^{\text{'}}\cap Q\cup R$


Solution:
(a) 
P ∩ Q


(b) 
$P^{\text{'}}\cap Q\cup R$

Question 8:
The Venn diagrams in the answer space shows sets P, Q and R such that the universal set, $\xi =P\cup Q\cup R$ .
On the diagrams in the answer space, shade set
(a) $Q^{\text{'}}\cap R$
(b) $\left(Q\cup R\right)\cap P^{\text{'}}$



Solution:
(a) 
$Q^{\text{'}}\cap R$


(b) 
$\left(Q\cup R\right)\cap P^{\text{'}}$