JAMB - Mathematics (2013 - No. 28)

In how many ways can a student select 2 subjects from 5 subjects?
\(\frac{5!}{3!}\)
\(\frac{5!}{2!2!}\)
\(\frac{5!}{2!3!}\)
\(\frac{5!}{2!}\)

Explanation

A student can select 2 subjects from 5 subjects in;

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

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

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