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

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.

$\frac{5!}{2!}$

View answer & explanation

Correct answer is C

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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