The number of ways to select 2 teachers from 11 teachers are,
[tex]11C_2[/tex]The number of ways in which 4 students can be selected from 16 students are,
[tex]16C_4[/tex]The, the total number of ways in which the committe can be formed is,
[tex]\begin{gathered} n=11C_2\times16C_4 \\ n=55\times182 \\ n=10010 \end{gathered}[/tex]Thus, the answer is 10010.