Mathematics - Algebra

Avatto > > ACET > > PRACTICE QUESTIONS > > Mathematics > > Algebra

11. If a, b are positive integers, define a * b = a where ab = a (modulo 7), with this * operation, then inverse of 3 in group G (1, 2, 3, 4, 5, 6) is

Answer
Comment
Array

Option : C
Explanation :

You must be logged in to post a comment.

You must be logged in to post a comment.

12. Which of the following is TRUE ?

Answer
Comment
Array

Option : B
Explanation :

You must be logged in to post a comment.

You must be logged in to post a comment.

13. The set of all nth roots of unity under multiplication of complex numbers form a/an

Answer
Comment
Array

Option : D
Explanation :

You must be logged in to post a comment.

You must be logged in to post a comment.

14. Which of the following statements is FALSE ?

Answer
Comment
Array

Option : C
Explanation :

You must be logged in to post a comment.

You must be logged in to post a comment.

15. In the group G = {2, 4, 6, 8) under multiplication modulo 10, the identity element is

Answer
Comment
Array

Option : A
Explanation :

You must be logged in to post a comment.

You must be logged in to post a comment.

Related Quiz.
Algebra

Forgot your password?

I agree with the Terms.