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I am surprised to know that. Are you not an civil engineering (or architecture) student? And, are you not studying in an engineering university? If yes, then you will certainly have to learn basic design principles, otherwise you might not be able to passing grades in your design subjects. Moreover, there must be a text book and possibly some reference books, recommended by your design teacher for learning of design concepts. If your answer to both of my above questions, is 'No', then IMO you do not need to solve the design problems you have referred to. Can you explain, what the real situation is? and, why you need the solution of above design problems?