1 answer
Try like thus
https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_compref_repeat.htm<apex:variable value="{!1}" var="rowNum"/>
<apex:repeat value="{!collection}" var="row" id="theRepeat-{!rowNum}">
({!rowNum}){!row}<br/>
<apex:variable var="rowNum" value="{!rowNum + 1}"/>
</apex:repeat>
