Permutation or combination

Exercise and reference answers

Categories

1. Permutation
2. Combination

Questions

1. Answer

   Permutation

   Question

   Order matters

2. Answer

   Combination

   Question

   Order does not matter

3. Answer

   Permutation

   Question

   A lock sequence of digits

4. Answer

   Combination

   Question

   Picking a team of two

5. Answer

   Permutation

   Question

   Arranging letters of a word

6. Answer

   Combination

   Question

   Counting the handshakes

Instructions

Pull each situation towards the count it needs.

Explanation