(a(i))[1]
Complete the statement with set notation: $c$ .................... $X$.
(a(ii))[1]
.................... $=\{a,m,e\}$.
(a(iii))[1]
$Y \cap Z = ....................$.
(b)[1]
Write down the elements in $(X \cup Y \cup Z)'$.
(c)[1]
Determine $n(X' \cap Z)$.