Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
Basic Studies / 04-BS-16, Discrete Mathematics — National Examination, December 2016. Closed book; one of two approved calculator models permitted; 12 questions worth 10 marks each (100 total); the exam instructs students to answer 10 of 12, but every question is solved below as a complete study resource.
Reference texts: Rosen, Discrete Mathematics and Its Applications, 7th ed. (McGraw-Hill); Epp, Discrete Mathematics with Applications, 4th ed. (Cengage).