# DM-Groups and Lattice-Q8

+1 vote

$(Q, *)$ is an algebraic structure where $Q$ represents rational numbers and * denotes multiplication. Which one of the following statements is true?

(A).Q is an abelian group.

(B).Q is a group but not abelian.

(C).Q is a semigroup but not a monoid.

(D).Q is monoid but not group.

reshown Jul 9