# Groups in Maths MCQs Quiz Online PDF Download

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## MCQs on Groups in MathsQuiz PDF Download

MCQ: { - 3 n : n ε Z } IS an abelian group under

- subtraction
- division
- multiplication
- addition

D

MCQ: If G = { 1, -1, ι, - ι } is group under multiplication, then inverse of - ι is

- 1
- −1
- ι
- None of Above

C

MCQ: A monoid is always a

- A group
- a commutative group
- a non abelian group
- groupoid

D

MCQ: If a, b are elements of a group G, then (ba)^{-1} =

- a
^{-1}b^{-1} - b
^{-1}a^{-1} - a
^{-1}b - b
^{-1}a

A

MCQ: A monoid is always a

- A group
- a commutative group
- a non abelian group
- semi - group

D