Tata Consultancy Services Limited (TCS) Question: Basically all these parts of the test can be solved to an extent. TCS Interview QuestionAnswer: If you can review their previous papers. You can very well prepare for the written test. Previous QuestionNext QuestionOut of all these the crucial one will be technical capabilities test and the HR interview. Many candidates clear almost all the rounds and fail in HR interview test.For written test it is always best to prepare from Barrons word list.