Welcome to the Sequences,Sums and Matrices MCQs Page

Dive deep into the fascinating world of Sequences,Sums and Matrices with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Sequences,Sums and Matrices, a crucial aspect of Discrete Mathematics. In this section, you will encounter a diverse range of MCQs that cover various aspects of Sequences,Sums and Matrices, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Discrete Mathematics.

Check out the MCQs below to embark on an enriching journey through Sequences,Sums and Matrices. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Discrete Mathematics.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Sequences,Sums and Matrices. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Sequences,Sums and Matrices MCQs | Page 9 of 12

Explore more Topics under Discrete Mathematics

01

Logics and Proofs

02

Sets and Functions

03

Algorithms

04

Number Theory and Cryptography

05

Induction and Recursion

06

Counting Theory

07

Discrete Probability

08

Relations

09

Graphs and Graphs Properties

10

Tree Properties

11

Boolean Algebra and Modeling Computations

12

Group Theory

Q81.

The determinant of identity matrix is?

Depends on the matrix

None of the mentioned

Discuss

Answer: (a).1

Q82.

If determinant of a matrix A is Zero than __________

A is a Singular matrix

A is a non-Singular matrix

Can’t say

None of the mentioned

Discuss

Answer: (a).A is a Singular matrix

Q83.

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

det(A) = 9

det(A) = 81

det(A) = 7

det(A) = 4

Discuss

Answer: (c).det(A) = 7

Q84.

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

det(A) = 9

det(A) = 81

det(A) = 0

det(A) = 4

Discuss

Answer: (c).det(A) = 0

Q85.

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

Kdet(B)

Kⁿdet(B)

K³det(b)

None of the mentioned

Discuss

Answer: (b).Kⁿdet(B)

Q86.

The Inverse exist only for non-singular matrices.

True

False

May be True or False

Can't say

Discuss

Answer: (a).True

Q87.

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

True

False

May be True or False

Can't say

Discuss

Answer: (b).False

Q88.

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

True

False

May be True or False

Can't say

Discuss

Answer: (b).False

Q89.

Let A be a nilpotent matrix of order n then?

Aⁿ = O

nA = O

A = nI, I is Identity matrix

None of the mentioned

Discuss

Answer: (a).Aⁿ = O

Q90.

Which of the following property of matrix multiplication is correct?

Multiplication is not commutative in general

Multiplication is associative

Multiplication is distributive over addition

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Page 9 of 12

Welcome to the Sequences,Sums and Matrices MCQs Page

Sequences,Sums and Matrices MCQs | Page 9 of 12

Explore more Topics under Discrete Mathematics

Logics and Proofs

Sets and Functions

Algorithms

Number Theory and Cryptography

Induction and Recursion

Counting Theory

Discrete Probability

Relations

Graphs and Graphs Properties

Tree Properties

Boolean Algebra and Modeling Computations

Group Theory

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