No. of girls = 14
No. of Boys =16
Therefore the ratio, from girls to boys is,
[tex]\frac{14}{16}[/tex]Which can also be written as,
[tex]\begin{gathered} 14\colon16 \\ 7\text{ to 8} \end{gathered}[/tex]Therefore, the wrong ratio is option D.
That is,
[tex]2\colon9[/tex]So, the answer is option D.