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<quiz>
  <question type="description">
    <name>
      <text>37.1.1.8 Example: Car registrations</text>
    </name>
    <questiontext format="moodle_auto_format">
      <text><![CDATA[<hr>
<h4 class="HELM_example">Example</h4>
<p>How many car registrations are there beginning with \(NP05\) followed by three letters? Note that, conventionally, \(I, O\) and \(Q\) may not be chosen..</p>
<h4 class="HELM_solution">Solution</h4>
<p>We have to choose 3 letters from 23 allowing repetition. Hence the number of registrations beginning with <span class="math inline">\(NP05\)</span> must be <span class="math inline">\(23^3=12167\)</span>.</p>]]></text>
    </questiontext>
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      <text/>
    </generalfeedback>
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    <penalty>0</penalty>
    <hidden>0</hidden>
    <idnumber/>
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</quiz>
