Question # 1

For a square matrix A, if A = A^t, then A is called

Choose an answer

matrix

Transpose

Symmetric

Non-symmetric

Choose an answer

(2x4)

(2x7)

(2x3)

(7x2)

Choose an answer

a = -1/2, b = -1

a = 1, b = 2

a = 2, b = 3

None of above

(ABC)' =

Choose an answer

CBA'

CBA

C'B'A

C'B'A'

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

Choose an answer

A = [3] is a/an

Choose an answer

Square matrix

Scalar matrix

Diagonal matrix

Identity matrix

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

The matrix A = [aij]mxn with m≠n is

Choose an answer

Rectangular

Symmetric

Square

None

Choose an answer

a = 4, b = 1

a = 1, b = -4

a = 0, b = 4

a = 2, b = 4

Choose an answer

The matrix A is Hermitian when (A)' =

Choose an answer

A

-A

A

A'

Choose an answer

2 x 2

2 x 3

3 x 2

3 x 3

System of linear equations is inconsistent if

Choose an answer

System has no solution

System has one solution

System has two solution

None of above

If the matrices A and B have the order 1 x 10 and 10 x 1 then order of AB is

Choose an answer

1 x 1

1 x 10

10 x 10

10 x 1

Choose an answer

K/6

2K

3K

6K

If A is skew Hermitian Matrix then which of the following is not skew Hermitian matrix

Choose an answer

A2

A5

A3

A7

Choose an answer

5

15

10

20

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

Matrices are represented by

Choose an answer

Natural numbers

Real numbers

Small letters

Capital letters

The transpose of a column matrix is a ______

Choose an answer

Zero matrix

Diagonal matrix

Column matrix

Row matrix

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

Choose an answer

At Bt

AB

-AB

BA

Choose an answer

A square matrix A = [aij] is upper triangular when

Choose an answer

cij = 0

bij = 0

aij = 0 for all i > j

dij = 0

Choose an answer

all are correct

For trival solution |A| is

Choose an answer

A

|A| = 0

A = 0

|A|≠ 0

Choose an answer

0

abc

1/abc

None of these

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