Explore topic-wise MCQs in SRMJEEE .

This section includes 45 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.

1.

Vertically arranged elements in a matrix are called

A. columns
B. rows
C. determinants
D. transpose
Answer» B. rows
2.

 In matrices, rows are denoted by

A. A
B. B
C. R
D. C
Answer» D. C
3.

 We can subtract two matrices A and B if their

A. elements are same
B. order is same
C. rows are same
D. columns are same
Answer» C. rows are same
4.

A matrix with only 1 column is called

A. column matrix
B. row matrix
C. identical matrix
D. square matrix
Answer» B. row matrix
5.

Generally matrices are denoted by

A. capital letters
B. numbers
C. small letters
D. operational signs
Answer» B. numbers
6.

 If A, B and C matrices are of same order and (A + B) + C = A + (B + C), this law is known as

A. cramers law
B. distributive law
C. commutative law
D. associative law
Answer» E.
7.

In matrices (A + B)tequals to

A. At
B. Bt
C. At + Bt
D. At Bt
Answer» D. At Bt
8.

A diagonal matrix having equal elements is called a

A. square matrix
B. identical matrix
C. scalar matrix
D. rectangular matrix
Answer» D. rectangular matrix
9.

If determinant of a matrix is not equal to zero, then it is said to be

A. non-singular matrix
B. square matrix
C. singular matrix
D. identical matrix
Answer» B. square matrix
10.

 In matrices (AB)t equals to

A. B
B. A
C. At Bt
D. Bt At
Answer» E.
11.

 Law which does not hold in multiplication of matrices is known as

A. distributive law
B. Inverse law
C. associative law
D. commutative law
Answer» E.
12.

Skew symmetric matrix is also called

A. symmetric
B. identical matrix
C. square matrix
D. anti symmetric
Answer» E.
13.

 If sum of two matrices A and B is zero matrix, then A and B are said to be

A. multiplicative inverse of each other
B. additive inverse of each other
C. transpose of each other
D. determinant of each other
Answer» C. transpose of each other
14.

Methods to solve a pair of simultaneous linear equations are

A. 3
B. 2
C. 4
D. 5
Answer» C. 4
15.

If number of columns and rows are not equal in a matrix, then it is said to be a

A. rectangular matrix
B. square matrix
C. diagonal matrix
D. null matrix
Answer» B. square matrix
16.

We can add two matrices having real numbers A and B if their

A. order is same
B. rows are same
C. columns are same
D. elements are same
Answer» B. rows are same
17.

 If determinant of a matrix is equal to zero, then it is said to be

A. square matrix
B. singular matrix
C. non-singular matrix
D. identical matrix
Answer» C. non-singular matrix
18.

 If a matrix has equal number of columns and rows then it is said to be a

A. row matrix
B. identical matrix
C. square matrix
D. rectangular matrix
Answer» D. rectangular matrix
19.

A pair of equations to determine value of 2 variables is called

A. simultaneous linear equations
B. paired equations
C. quadratic equations
D. simple equations
Answer» B. paired equations
20.

 If A and B matrices are of same order and A + B = B + A, this law is known as

A. distributive law
B. commutative law
C. associative law
D. cramers law
Answer» C. associative law
21.

 Equations having a common solution are called

A. linear equations
B. homogeneous equations
C. simultaneous equations
D. None of Above
Answer» D. None of Above
22.

A matrix having m rows and n columns with m = n is said to be a

A. rectangular matrix
B. square matrix
C. identity matrix
D. scaler matrix
Answer» C. identity matrix
23.

Order of a matrix [ 2 5 7 ] is

A. 3 x 3
B. 1 x 1
C. 3 x 1
D. 1 x 3
Answer» E.
24.

Two matrices A and B are equal if

A. both are rectangular
B. both have same order
C. no of columns of A is equal to columns of B
D. both have same order and equal corresponding elements
Answer» E.
25.

 If A is a skew symmetric matrix, then At

A. −A
B. A
C. 0
D. diagonal matrix
Answer» B. A
26.

 If AB exists, then ( AB )-1is

A. A-1 B-1
B. B-1 A-1
C. AB
D. None of Above
Answer» C. AB
27.

If |A| ≠ 0, then A is

A. zero matrix
B. singular matrix
C. non - singular matrix
D. diagonal matrix
Answer» D. diagonal matrix
28.

Transpose of a square matrix is a

A. rectangular matrix
B. diagonal matrix
C. square matrix
D. scaler matrix
Answer» C. square matrix
29.

If A is a matrix of order m x n and B is a matrix of order n x p then order of AB is

A. p x m
B. p x n
C. n x p
D. m x p
Answer» E.
30.

[ 0 0 0 ] is

A. Scaler matrix
B. diagonal matrix
C. identity matrix
D. null matrix
Answer» E.
31.

Matrices obtained by changing rows and columns is called

A. rectangular matrix
B. transpose
C. symetric
D. None of Above
Answer» C. symetric
32.

Transpose of a row matrix is

A. zero matrix
B. diagonal matrix
C. column matrix
D. row matrix
Answer» D. row matrix
33.

Two matrices A and B are added if

A. both are rectangular
B. both have same order
C. no of columns of A is equal to columns of B
D. no of rows of A is equal to no of columns of B
Answer» C. no of columns of A is equal to columns of B
34.

[ a b c ] is a

A. zero matrix
B. diagonal matrix
C. column matrix
D. row matrix
Answer» E.
35.

 A matrix having m rows and n columns with m ≠ n is said to be a

A. rectangular matrix
B. square matrix
C. identity matrix
D. scaler matrix
Answer» B. square matrix
36.

 For any non- singular matrix A, A-1 =

A. |A|adj A
B. 1 /|A|adj A
C. adj A⁄|A|
D. None of Above
Answer» D. None of Above
37.

Two matrices A and B are multiplied to get BA if

A. both are rectangular
B. both have same order
C. no of columns of A is equal to columns of B
D. both are square matrices
Answer» B. both have same order
38.

For a non-trivial solution | A | is

A. |A| > 0
B. |A| < 0
C. |A| = 0
D. |A| ≠ 0
Answer» D. |A| ≠ 0
39.

In a matrix multiplication for A and B, (AB)t

A. At Bt
B. Bt At
C. 1/AB
D. AB
Answer» C. 1/AB
40.

Additive inverse of a matrix A is

A. A
B. |A|
C.
D. adj A⁄|A|
Answer» E.
41.

If A is a symmetric matrix, then At =

A. A
B. |A|
C. 0
D. diagonal matrix
Answer» B. |A|
42.

If |A| = 0, then A is

A. zero matrix
B. singular matrix
C. non-singular matrix
D. 0
Answer» C. non-singular matrix
43.

Two matrices A and B are multiplied to get AB if

A. both are rectangular
B. both have same order
C. no of columns of A is equal to columns of B
D. no of rows of A is equal to no of columns of B
Answer» D. no of rows of A is equal to no of columns of B
44.

Transpose of a column matrix is

A. zero matrix
B. diagonal matrix
C. column matrix
D. row matrix
Answer» E.
45.

Transpose of a rectangular matrix is a

A. rectangular matrix
B. diagonal matrix
C. square matrix
D. scaler matrix
Answer» B. diagonal matrix