Higher June 2019 Paper 1 Q14

14 \(\mathscr{E} = \{\)positive integers less than 20\(\}\)
\(A = \{x : x \lt 12\}\)
\(B = \{x : 7 \leqslant x \lt 16\}\)

\(C\) is a set such that \(C \subset A\) and \(\text{n}(C) = 3\)

Given that all members of \(C\) are even numbers,