Practice groups in maths MCQs, math MCQ test for online learning. Number system quiz has multiple choice questions (MCQ), groups in maths quiz questions and answers to practice as { - 3 n n ε z } is an abelian group under, answer key help with choices as subtraction, division, multiplication and addition problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning groups in maths quiz with MCQs to practice test questions with answers.

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

1. subtraction
2. division
3. multiplication

D

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

1. 1
2. −1
3. ι
4. None of Above

C

MCQ. A monoid is always a

1. A group
2. a commutative group
3. a non abelian group
4. groupoid

D

MCQ. If a, b are elements of a group G, then (ba)-1 =

1. a-1 b-1
2. b-1 a-1
3. a-1 b
4. b-1 a

A

MCQ. A monoid is always a

1. A group
2. a commutative group
3. a non abelian group
4. semi - group

D