Discrete Mathematics Properties Matrices Online Exam Quiz

Discrete Mathematics Properties Matrices GK Quiz. Question and Answers related to Discrete Mathematics Properties Matrices. MCQ (Multiple Choice Questions with answers about Discrete Mathematics Properties Matrices

The determinant of identity matrix is?

Options

A : 1

B : 0

C : Depends on the matrix

D : None of the mentioned

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If determinant of a matrix A is Zero than __________

Options

A : A is a Singular matrix

B : A is a non-Singular matrix

C : Can’t say

D : None of the mentioned

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Let A be a nilpotent matrix of order n then?

Options

A : An = O

B : nA = O

C : A = nI, I is Identity matrix

D : None of the mentioned

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For a skew symmetric odd ordered matrix A of integers, which of the following will hold true?

Options

A : det(A) = 9

B : det(A) = 81

C : det(A) = 0

D : det(A) = 4

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For a skew symmetric even ordered matrix A of integers, which of the following will not hold true?

Options

A : det(A) = 9

B : det(A) = 81

C : det(A) = 7

D : det(A) = 4

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Let A = [kaij]nxn, B = [aij]nxn, be an nxn matrices and k be a scalar then det(A) is equal to _________

Options

A : Kdet(B)

B : Kndet(B)

C : K3det(b)

D : None of the mentioned

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Which of the following property of matrix multiplication is correct?

Options

A : Multiplication is not commutative in general

B : Multiplication is associative

C : Multiplication is distributive over addition

D : All of the mentioned

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The Inverse exist only for non-singular matrices.

Options

A : True

B : False

C :

D :

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If for a square matrix A and B, null matrix O, AB = O implies BA=O.

Options

A : True

B : False

C :

D :

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If for a square matrix A and B,null matrix O, AB = O implies A=O and B=O.

Options

A : True

B : False

C :

D :

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