The number of ways to arrange all 5 different flags on a staff is:
A120
B160
C200
D240
Answer & Solution
Correct answer: A. 120
1. The places offer 5, 4, 3, 2 and 1 choices.
2. That is 5 factorial.
3. The count is 120.
_Source: syllabus Mathematics, Chapter 7, Permutations and Combinations._
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