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In how many ways can a student select 2 subjects from 5 subjects?

Mathematics
JAMB 2013

In how many ways can a student select 2 subjects from 5 subjects?
  • A. \(\frac{5!}{3!}\)
  • B. \(\frac{5!}{2!2!}\)
  • C. \(\frac{5!}{2!3!}\)
  • D. \(\frac{5!}{2!}\)
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Correct Answer: Option C
Explanation
A student can select 2 subjects from 5 subjects in;

5C3 ways, i.e. = \(\frac{5!}{2!(5 - 2)!}\)

= \(\frac{5!}{2!3!}\)

There is an explanation video available below.


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Explanation Video

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709