Question # 1

Choose an answer

Square matrix

Row matrix

Symmetric matrix

Null matrix

Choose an answer

Zero matrix

Diagonal matrix

Column matrix

Scalar matrix

Choose an answer

-3

-7

1

0

Choose an answer

A^-

A^t

-A

A

Choose an answer

0

abc

1/abc

None of these

If A is a skew-symmetric matrix of order n and P, any square matrix of order n.prove that P' AP is

Choose an answer

Skew-symmetric

Symmetric

Null

Diagonal

A and B be two square matrices and if their inverse exist the (AB)-1 =

Choose an answer

A-1 B-1

AB-1

A-1B

B-1A-1

Two matrices A and B are conformable for the product AB if

Choose an answer

Both A and B are square

Both A and B are symmetric

Number of rows of A = number of columns of B

Number of columns of A = number of rows of B

Choose an answer

2

4

6

8

Rank of matrix [1 3 5 0] is

Choose an answer

1

3

2

4

A square matrix A = [aij] is lower triangular matrix when:

Choose an answer

aij = 0 for all i < j

bij = 0

cij = 0

dij =0

If A is singular then |A| = ______

Choose an answer

1

0

2

None of these

A non-homogeneous linear system AX = B has no solution if

Choose an answer

|A| = 0

|A|≠ 0

Rank (a) = no of variables

Rank > no of variables

Choose an answer

-a -b -c

1

0

-1

Choose an answer

Hermitian matrix

Skew-hermitian matrix

Symmetric matrix

Identity matrix

A = [3] is a/an

Choose an answer

Square matrix

Scalar matrix

Diagonal matrix

Identity matrix

Choose an answer

Symmetric

Skew-symmetric

Hermitian

Skew hermitian

In order of A is m x n and order of B is n x p then order of AB is

Choose an answer

m x m

n x n

m x p

p x m

If A = |aij| is (m x n) matrix then transpose of A is of the order

Choose an answer

m x m

m x n

n x n

n x m

Choose an answer

We solve the system of non-homogeneous linear equations by

Choose an answer

a and b

b and c

c and a

a,b and c

Choose an answer

0

1

-A

-1

A matrix with a single column is called

Choose an answer

Column matrix

Row matrix

Identity matrix

Null matrix

A square matrix all of whose elements except the main diagonal are zeros is called a

Choose an answer

Null matrix

Singular matrix

Symmetric matrix

Diagonal matrix

Choose an answer

5

-5

none

The matrix A = [aij]1xn is a

Choose an answer

Vector

Rectangular matrix

Column vector

Square matrix

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

Choose an answer

Symmetric

Hermition

Skew-symmetric

None

Choose an answer

A and B be two square matrices and if their inverse exist, the (AB)^-1=

Choose an answer

A^-1B^-1

AB^-1

A^-1B

B^-1A^-1

More Classes

Other Links

ECAT Pre General Science Mathematics Chapter 5 Matrics 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