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Sort the flag counts

Exercise and reference answers

Items
  1. Group
    Two flags
    Item
    5 then 4
  2. Group
    Two flags
    Item
    Gives 20
  3. Group
    Two flags
    Item
    Two places
  4. Group
    Three flags
    Item
    5 4 then 3
  5. Group
    Three flags
    Item
    Gives 60
  6. Group
    Three flags
    Item
    Three place
  7. Group
    Five flags
    Item
    All five
  8. Group
    Five flags
    Item
    Gives 120
  9. Group
    Five flags
    Item
    5 factorial
Groups
  1. Item
    Two flags
  2. Item
    Three flags
  3. Item
    Five flags
Instructions
Drop each count onto two flags, three flags or five flags.

Explanation

_Source: syllabus Mathematics, Chapter 7, Permutations and Combinations._
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