public IHttpActionResult GetquestionSet()
{
var questions = new List <Question>();
foreach (var service in _questionServices)
{
questions.AddRange(service.GenerateQuestions(NumberOfQuestions));
}
var questionSet = new QuestionSet
{
Id = Guid.NewGuid().ToString(),
Questions = questions
};
_cacheService.AddUpdateQuestionSetInCache(questionSet);
return(Created($"api/Maths/{questionSet.Id}", questionSet));
}