Out of 9 people waiting for an interview in how many ways the selection of four we made if one is always excluded
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It is mentioned that there are 9 people waiting for an interview. However, one person is always excluded from being selected. So we will consider we have only 8 people to choose from.
Now we need to choose 4 people out of 8. Therefore, there are 8C4 = 70 unordered ways to select four people.
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