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13-11-2018
Mathematics

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How many different ways can 3 singers be selected from 5 who came to an audition

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13-11-2018

This is known as "5 take 3", where ordering is not important.

[tex]\binom{5}{3} = \frac{5!}{3!(5-3)!} = \frac{120}{6\cdot2} = 10[/tex]

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