Question # 1

Trival solution of homogeneous linear equation is

Choose an answer

(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a, b and c

Choose an answer

3 x 2

2 x 3

3 x 3

2 x 2

The transport of a null matrix is

Choose an answer

Row matrix

Column matrix

Square matrix

Null matrix

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

a²b²c²

4a²b²c²

4abc

None

Choose an answer

-3

-7

1

0

Choose an answer

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

Choose an answer

Symmetric

Hermition

Skew-symmetric

None

An equation of the form ax + by = k is homogeneous linear equation when

Choose an answer

b = 0, a = 0

a = 0,b ≠ 0

b = -0,a≠ 0

a≠ 0,b≠ 0, k = 0

Choose an answer

6, -12, -18

-6, 4, 9

-6, -4, -9

-6, 12, 18

A diagonal matrix in which the diagonal elements are equal is called a

Choose an answer

Null matrix

Identity matrix

Scalar matrix

Row 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

a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

Choose an answer

Singular

Non-singular

Adjoint

None of above

The transport of a square matrix is a

Choose an answer

Row matrix

Column matrix

Square matrix

Null matrix

If A is singular then |A| = ______

Choose an answer

1

0

2

None of these

Choose an answer

I3

rI3

r

none

Choose an answer

2 x 2

2 x 3

3 x 2

3 x 3

More Classes

Other Links

ECAT Mathematics Chapter 5 Matrices and Detarminants 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