📚 How to distinguish between permutations and combinations (Part 1)

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A combination of items occurs when:

👉🏻 The items are selected from the same group
👉🏻 No item is used more than once
👉🏻 The order of the items makes no difference

Q. For each of the following problems, explain if the problem is one involving permutations or combinations.

a) How many ways can you select 6 free DVD’s from a list of 200 DVD’s?

b) In a race in which there are 50 runners and no ties, in how many ways can the first three finishers come in?
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Amazing 🤩. Short video, very nice explanation ❤

beastbeegaming