Q9. Which of the following statements is true regarding the set of integers, denoted by ℤ, under the operation of addition?Mathematics — NUST Mock 5 — Question 9 of 200A. The set of integers forms a group under addition.B. The set of integers forms a group under multiplication.C. The set of integers is closed under division.D. The set of integers does not contain an identity element for addition.Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →