Discrete Structures and Optimisation – Previous Year Questions

Topic-wise mock tests

271. Which of the following is an equivalence relation on the set of all functions from Z to Z?
     Answer: D. {(f, g) | f(x) − g(x) = k for some k ∈ Z} Paper 2 CS · July 2018
272. Which of the following statements is true?
     Answer: B. The set inclusion relation ⊆ is a partial ordering on the power set of a set S Paper 2 CS · July 2018