Post a New Question


posted by on .

Suppose we are given for identical red flags, 2 identical blue flags, and 3 identical green flags. Find the number of (M) different signals that can be formed by hanging the nine flags in a vertical line.


PLEASE DO NOT SOLVE! PLEASE only tell how to do the question.

  • Math - ,

    9! ways if all different

    but the 4 red flags can be arranged in 4! ways, but they are identical.

    Similarly for the other colors, so the distinguishable arrangements are


  • Math - ,


Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question