public function showJson(Exam $exam)
{
$json = ['EXAM' => $exam->toArray(), 'QUESTIONS' => $exam->questions->toArray()];
return response()->json($json);
}
public function showJson(Exam $exam)
{
$json = ['EXAM' => $exam->toArray(), 'QUESTIONS' => $exam->questions->toArray()];
return response()->json($json);
}