<strong>Which number should come next in this series?<br />
10&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;16&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;19&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;22&nbsp;&nbsp;&nbsp;&nbsp; - - - ?</strong>