var questionArr = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16];
 
shuffleArray(questionArr);
 
$(document).ready(function() {
    for(var i = 0;i<10;i++) {
        $('.text:eq('+i+')').val(questionArr[i]);
    }
});
 
function shuffleArray(array) {
    for (var i = array.length - 1; i > 0; i--) {
        var j = Math.floor(Math.random() * (i + 1));
        var temp = array[i];
        array[i] = array[j];
        array[j] = temp;
    }
    return array;
}

<script type="text/javascript" charset="utf-8">  
  $(document).ready(function() { 
 
    // Hide this question
    $('#question{QID}').hide();
 
    // An array defining total number of questions in the set and number to be shown
    // In this case, 4 of 10 will be shown
    var setArray = [1, 1, 1, 1, 0, 0, 0, 0, 0, 0];
 
    // Shuffle the array
    setArray =  $.shuffle(setArray);
 
    // Loop Through the array and populate the sub-questions    
    $(setArray).each(function(i, value) {
      if($('#question{QID} input.text:eq('+i+')').val() == '') {
        $('#question{QID} input.text:eq('+i+')').val(value);
      }
    });
  });  
 
  // A function to shuffle arrays
  (function($){
    $.fn.shuffle = function() {
      return this.each(function(){
        var items = $(this).children();
        return (items.length)
          ? $(this).html($.shuffle(items))
          : this;
      });
    }
 
    $.shuffle = function(arr) {
      for(
        var j, x, i = arr.length; i;
        j = parseInt(Math.random() * i),
        x = arr[--i], arr[i] = arr[j], arr[j] = x
      );
      return arr;
    }
  })(jQuery);    
</script>