Q186. Does the set of rational numbers (ℚ) form a group under addition (+)?Mathematics — Number Systems — Question 186 of 195A. Yes, it forms a group.B. No, it does not form a group.C. No, because it lacks an additive identity.D. No, because it lacks additive inverses.Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →