A store sells five different kinds of shirts. If we want to buy two different kinds of shirts, how many possible combinations of two shirts can we buy?
Choose one:
A) 6 B) 8 C) 10 D) 12 E) 14
5C2=10.   The answer is 10.
<result>C</result>
A store sells five different kinds of shirts. If we want to buy two different kinds of shirts, how many possible combinations of two shirts can we buy?