Question # 1

The transport of a square matrix is a

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Row matrix

Column matrix

Square matrix

Null matrix

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0

1

2

3

System of linear equations is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

The transport of a rectangular matrix is a

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Square matrix

Rectangular matrix

Row matrix

Column matrix

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

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Symmetric

Hermition

Skew-symmetric

None

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I3

rI3

r

none

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

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Column matrix

Symmetric matrix

Skew-symmetric matrix

Row matrix

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

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Null matrix

Identity matrix

Scalar matrix

Row matrix

If A = [a_ij] is (m x n) matrix, then transpose of A is of the order

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m x m

m x n

n x n

n x m

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1

0

-1

2

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I

14 I

0

None of these

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5

15

10

20

Which of the following is skew symmetric matrix

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Every identity matrix is

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Row-vector

Scalar

Column-vector

All

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(2x+a+b+c)

(a+b+c)

(a+b+c+x)

0

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System of linear equation is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

Matrices are represented by

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Natural numbers

Real numbers

Small letters

Capital letters

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Zero matrix

Diagonal matrix

Column matrix

Scalar matrix

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16

256

64

1024

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A matrix with a single column is called

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Column matrix

Row matrix

Identity matrix

Null matrix

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

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matrix

Transpose

Symmetric

Non-symmetric

The additive inverse of a matrix A is

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None of these

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0

1

2

4

Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

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A

-A

A^t

A^-

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x =0, y =4

x = -1, y = 2

x = 2, y = 3

x = 3, y = 4

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A²- 5A + 7I = 1

2A²- 3A + 7I = 0

A²- 5A + I = 0

A²- 5A + 7I = 0

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ECAT Mathematics Chapter 5 Matrices and Detarminants Online Test MCQs With Answers

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