$sql = " SELECT Question  FROM examQuestions";
$result = mysqli_query($dbCon, $sql);

if(mysqli_num_rows($result)>0)
 {
   while($row = mysqli_fetch_assoc($result))
    {
      echo '<input type="checkbox" name="checkboxvar[]" value="'.$row["Question"].'">'.$row["Question"].'<input placeholder="10" class="form-control" type="number" name="points[]">'."<br />";
     }
 }

$checkboxvar = $_POST['checkboxvar'];
 $examName = $_POST['examName'];
 $questionWorth = $_POST['points'];

$i=1;
$total = 0;

while($i <4)
 {
   $x = $i - 1;

   echo $checkboxvar[$x];
   echo $questionWorth[$x]."<br />";
  $total = $total + $questionWorth[$x];
  $i = $i +1;

 }

 echo $total;