Hi again dinkar.
To do this, you’ll need to make a super small edit to the plugin files. If you edit ./hd-quiz/includes/template/php on line 271 you will see if ($i % 5 == 0 && $i != 0) {
Basically what this statement does is check to see if the current question count is divisible by 5 with no remainders (decimals). You should be able to simply change that 5 to a 10