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

Mathematics
JAMB 2014
In how many ways can a team of 3 girls be selected from 7 girls?
  • A. \(\frac{7!}{3!}\)
  • B. \(\frac{7!}{4!}\)
  • C. \(\frac{7!}{3!4!}\)
  • D. \(\frac{7!}{2!5!}\)
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Correct Answer: Option C
Explanation
A team of 2 girls can be selected from 7 girls in \(^7C_3\)

\( = \frac{7!}{(7 - 3)! 3!}\)

\( = \frac{7!}{4! 3!} ways\)

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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