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17 April, 14:36

How many ways an employer send 3 employees to a job fair if she has 11 employees A) 165 B) 990 C) 40,320 D) 6,652,800

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  1. 17 April, 16:32
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    To find the number of employees we use combination formula.

    n! / (n-r) ! r!

    Put values

    11! / (11-3) ! 3!

    Simplify

    11!/8!3! = 165

    Answer: Option A 165
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