public IEnumerable <question> Questions(int id) { return(bllService.GetQuestionsBySubcategory(id).Select(q => new question { questionID = q.questionID, questionText = q.questionText, option1 = q.option1, option2 = q.option2, option3 = q.option3, option4 = q.option4, marks = q.marks, answer = q.answer, answerType = q.answerType, complexity = q.complexity })); }