A boy has five trousers and 15 shirts. In how many different ways can he select a trouser and a shirt?
Options:  A) 75 ways  B) 87 ways  C) 66 ways  D) 108 ways  E) 21 ways
Explanation:   The boy can select one trouser in five ways.   The boy can select one shirt in 15 ways.   The number of ways in which he can select one trouser and one shirt is   5 * 15= 
<gadget id="calculator">  5 * 15</gadget>
<output>75</output>
75 ways.   75 waysnswer: 75 ways
<result>A</result>
A boy has five trousers and 15 shirts. In how many different ways can he select a trouser and a shirt?