Question # 1

A matrix in which the number of rows is not equal to the number of columns is called a

Choose an answer

Diagonal matrix

Rectangular matrix

Square matrix

Scalar matrix

The square matrix A is skew Hermitian when (A)'=

Choose an answer

A

A'

-A

A

For trival solution |A| is

Choose an answer

A

|A| = 0

A = 0

|A|≠ 0

Choose an answer

1

-1

0

I

Choose an answer

1, 2, 3

1, 5, 9

2, 5, 8

3, 6, 9

Choose an answer

I

|A|

|A| I

None of these

A matrix with a single row is called a

Choose an answer

Column matrix

Row matrix

Null matrix

Identity matrix

Choose an answer

(2x4)

(2x7)

(2x3)

(7x2)

The transpose of a zero matrix is a ______

Choose an answer

Column matrix

Zero matrix

Row matrix

Scalar matrix

Choose an answer

all

Choose an answer

a²b²c²

4a²b²c²

4abc

None

Choose an answer

-3

-7

1

0

Choose an answer

2

4

6

8

Choose an answer

3K

K2

K3

K

Choose an answer

4A - 3I

3A - 4I

A - I

None of these

If order of A is m x n, then order of A^tis

Choose an answer

m x m

n x n

m x n

n x m

Choose an answer

a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

Choose an answer

Square matrix

Row matrix

Symmetric matrix

Null matrix

A square matrix A for which A^t= A is called a

Choose an answer

Column matrix

Symmetric matrix

Skew-symmetric matrix

Row matrix

Choose an answer

6, -12, -18

-6, 4, 9

-6, -4, -9

-6, 12, 18

The matrix A = [aij]mxn with m≠n is

Choose an answer

Rectangular

Symmetric

Square

None

Choose an answer

5

-5

none

If there are m rows and n columns in a matrix then its order is

Choose an answer

m x n

m x m

n x n

n x m

Choose an answer

0

abc

1/abc

None of these

Choose an answer

Singular

Non-singular

Adjoint

None of above

The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is

Choose an answer

2 x 3

3 x 2

2 x 5

5 x 2

The matrix A = [aij]mxn with m ≠n is always

Choose an answer

Symmetric

Hermition

Skew-symmetric

None

If A and B are skew-symmetric then (AB)t is

Choose an answer

At Bt

AB

-AB

BA

For a square matrix A, if A = At, then A is called

Choose an answer

Matrix

Transpose

Symmetric

Non-symmetric

More Classes

Other Links

Mathematics ECAT Pre Engineering Chapter 5 Matrices and Determinants Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer