public function getRandomQuestions($random_id)
 {
     $id = $random_id;
     $rq = RandomQuestion::find($id);
     if (!$id || !$rq) {
         return \Response::json(["msg" => "('_') Query Not found!"], 500);
     }
     $rqlist = RandomQuestionList::where('ref_id', $id)->get();
     $result = [];
     $qbc = new QuestionBankController();
     foreach ($rqlist as $key => $qid) {
         array_push($result, $qbc->getquestion($qid->question_id));
     }
     return $result;
 }