Multiple Choice Questions on Matrices & Determinants for First Year B.COM Students -affiliated to Savitribai Phule Pune University.

1. MULTIPLE CHOICE QUESTIONS
TOPIC-MATRICES & DETERMINANTS
SUBJECT : BUSINESS MATHEMATICS & STATISTICS
PRESENTED BY
DR.SHRADHA PRASAD

2. A matrix whose all elements are zero is called a
_______ matrix.
A . Null B . Row
C . Column D . Square
Answer : A - Null
6/13/2021 2
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

3. A matrix having only one row is called ____ matrix.
A . Column B . Row
C . Square D . Null
Answer : B - Row
6/13/2021 3
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

4. A matrix having only one column is called ___matrix.
A . Null B . Row
C . Column D . Square
Answer : C - Column
6/13/2021 4
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

5. An arrangement of mn numbers in the form of a ____
block is called a matrix.
A . Triangle B . Circular
C . Rectangular D . Square
Answer : C -Rectangular
6/13/2021 5
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

6. Matrices are denoted by _________ letters.
A . Small B . Big
C . Large D . Capital
Answer : D - Capital
6/13/2021 6
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

7. Two matrices A and B are said to be equal if they are
of the ______ same order.
A . Different B . Same
C . Opposite D . Distinct
Answer : B - Same
6/13/2021 7
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

8. If Determinant of a Matrix A is Zero than A is a
______ matrix.
A . Singular B . Non-Singular
C . Diagonal D . Non-Diagonal
Answer : A -Singular
6/13/2021 8
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

9. [ a b c ] is a _______matrix.
A . Zero B . Row
C . Column D . Diagonal
Answer : B -Row
6/13/2021 9
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

10. Order of a matrix [2 5 7 ] is _______.
A . 1 x 1 B . 1 x 3
C . 3 x 1 D .3 x 3
Answer : B – 1x 3
6/13/2021
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

11. A matrix having m rows and n columns with m ≠ n is
a said to be _________matrix.
A . Scalar B . Identity
C . Square D . Rectangular
Answer : - D - Rectangular
6/13/2021 11
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

12. The determinant may be denoted by _______.
A . D B . C
C. M D . I
Answer : A- D
6/13/2021 12
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

13. Value of determinant D = ________
A. ad - bc B . bc – ad
C . ab - cd D . cd - ab
Answer : A – ad – bc
6/13/2021 13
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

14. A Unit Matrix is denoted by ______.
A . D B . I
C . X D . M
Answer : B-I
6/13/2021 14
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

15. A square matrix in which all the non-diagonal
elements are zero is called a diagonal matrix.
A . True B . False
Answer : A- True
6/13/2021 15
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

16. In the Product AB, B is called the __________
A . Pre-factor B . Post-factor
Answer : B – Post -factor
6/13/2021 16
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD

17. THANK YOU
6/13/2021 17
BUSINESS MATHEMATICS & STATISTICS
BY DR. SHRADHA PRASAD