Angular: Random Order Filter

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
    <p>Select The correct Answer</p>
    <p ng-repeat="(key,i) in options"><input type="radio" name="option"> {{options[key].text}}</p>
        <button>Submit</button>    
        <br><br>
    <p>* The correct answer is Answer-a</p>
</div>

JavaScript

var myApp = angular.module('myApp',[]);

function MyCtrl($scope) {  
  $scope.options = {
      "d":{
          "text":"Answer-d"
      },
      "c":{
          "text":"Answer-c"
      },
      "a":{
          "text":"Answer-a"
      },
      "b":
      {"text":"Answer-b"}
  }
}