How to use apex:repeat in Visualforce Page?

<apex:variable value=”{!1}” var=”rowNum”/> <!– autonumber generate–><apex:variable value=”{!1}” var=”rowNumRadioGrp”/><apex:repeat value=”{!lstqstionDetails}” var=”qustionItem” id=”repeatId”> <br/><tr><td><apex:outputText styleClass=”qustnTable” value=”{!FLOOR(rowNum)}”/>.&nbsp;<apex:outputText styleClass=”qustnTable” value=”{!qustionItem[‘questionName’]}” /> <br/><apex:variable var=”rowNum” value=”{!rowNum + 1}”/> </td> </tr><tr><td><apex:repeat value=”{!qustionItem[‘Choices’]}” var=”itemChoices”><input id=’id_{!rowNumRadioGrp}’ name=”{!qustionItem[‘questionName’]}” type=”radio” class=”radioGrp” […]