Added  code for displayin the solution page when user have not marked any answer in the test
added code for avoiding repetation of questions in part test and once all the questions has been attempted , all entries for that user will be deleted and cycle start repeating again.. written for part test maths only for now
added code for avoiding repetation of questions in part test and once all the questions has been attempted , all entries for that user will be deleted and cycle start repeating again.. written for part test maths only for now