Question # 1

Choose an answer

For trival solution |A| is

Choose an answer

A

|A| is non zero

A = 0

None of these

Choose an answer

5

15

10

20

Choose an answer

16

256

64

1024

Choose an answer

Singular

Non-singular

Adjoint

None of above

Choose an answer

Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

Choose an answer

3K

K2

K3

K

Choose an answer

-a -b -c

1

0

-1

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

Choose an answer

At Bt

AB

-AB

BA

The transpose of a row matrix is a ______

Choose an answer

Zero matrix

Diagonal matrix

Column matrix

Row matrix

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

Choose an answer

Square matrix

Row matrix

Symmetric matrix

Null matrix

Choose an answer

2s²

2s³

s³

3s³

Choose an answer

0

1

2

4

Choose an answer

Scalar matrix

Identity matrix

Null matrix

Symmetric matrix

Choose an answer

all

If A = [aij]mxpand B =[aij]pxnthen order of BA is

Choose an answer

m x n

p x n

n x m

None of these

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

If A and B are two matrices such that AB = B and BA = A then A2 + B2 =

Choose an answer

2 AB

2 BA

A + B

AB

Cofactor of an element aij denoted by Aij is

Choose an answer

(-2)i+j

Mij

(-1)i+j Mij

None of above

Choose an answer

Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

Choose an answer

all are correct

(ABC)' =

Choose an answer

CBA'

CBA

C'B'A

C'B'A'

Choose an answer

k3

0

3k

k6

The transpose of a column matrix is a ______

Choose an answer

Zero matrix

Diagonal matrix

Column matrix

Row matrix

Choose an answer

5

-5

none

Choose an answer

If A is singular then |A| = ______

Choose an answer

1

0

2

None of these

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