Answer
$11_{{C}{_{4}}}$ = 330
Work Step by Step
TOTAL NUMBER OF MEMBERS OF ORGANISATION = 11
NUMBER OF MEMBERs OF COMMITTEE TO BE ELECTED = 4
THE NUMBER OF COMMITTEES BEING ELECTED AMONG 11 MEMBERS OF ORGANISATION = $11_{{C}{_{4}}}$
= $\frac{11!}{(11 - 4)! 4!}$
= $\frac{11!}{7!. 4!}$
= $\frac{11\times10\times9\times8\times7!}{7! 4\times3\times2\times1}$
= $\frac{11\times10\times9\times8}{ 4\times3\times2\times1}$
= 330
