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There are 8 children who want a turn at the swing. There is a set of...

There are 8 children who want a turn at the swing. There is a set of two swings. Which are the number pairs of children who can go on the swings?

Math   Statistics-And-Probability   
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Answer #1

The total number of children is 8.

The total number of swings is 2.

Since here the order of the pair of children does not matter i.e. (A, B) will be the same as (B, A), we will use combinations to solve this particular question:

Hence there are a total of 28 pairs possible.

Let me know in the comments if anything is not clear. I will reply ASAP! Please do upvote if satisfied!

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