In how many ways can a team of 3 girls be selected from 7 girls?

Assessment: JAMB UTME - Mathematics - 2014 Subject: General Mathematics

Question 1 Report

\frac{7!}{3!}

\frac{7!}{4!}

\frac{7!}{3! 4!}

\frac{7!}{2! 5!}

Answer Details

A team of 2 girls can be selected from 7 girls in $^{7} C_{3}$
$= \frac{7!}{(7 - 3)! 3!}$
$= \frac{7!}{4! 3!} w a y s$

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