Free Printable X Mathematics QUIZ III

1.

If AB=I then AB is called the __________inverse of A.

a)

Additive

b)

Multiplicative

c)

Matrix

d)

None of these

2.

$\lfloor2\ \ \ 3\rfloor\ \times\ \lfloor5\ \ \ 6\rfloor$

a)

$\lfloor18\rfloor$

b)

$\lfloor10\rfloor$

c)

$\lfloor28\rfloor$

d)

none of these

3.

The number used in row or column are said to be the ________of the matrix

a)

Row

b)

Column

c)

Element

d)

Order

4.

The vertical arrangement of number is called_______

a)

Order

b)

Row

c)

column

d)

Element

5.

A matrix which has only one column is called_____matrix

a)

Square

b)

Column

c)

Null

d)

Row

6.

A rectangular array of number enclosed by a pair of brakets is called_______

a)

Matrix

b)

Determinant

c)

Polynomial

d)

Expression

7.

The transpose of above matrix is _______

a)

b)

c)

d)

None of These

8.

A x A^ -1 = ________

a)

A

b)

A^ -1

c)

1

d)

none of these

9.

The inverse of a matrix does not exist if the determinant of the matrix is_______

a)

0

b)

1

c)

-1

d)

none of these

10.

The order of a matrix is ________

a)

1 x 1

b)

2 x 2

c)

2 x 3

d)

4 x 3

11.

If $\left|A\right|$ =0 then the matrix A is called_______ matrix

a)

square

b)

null

c)

singular

d)

non singular

12.

The matrix is called _________ matrix.

a)

tranpose

b)

null

c)

row

d)

identity

13.

If A and B matrices are of same order and A + B = B + A, this law is known as :

a)

distributive law

b)

commutative law

c)

associative law

d)

Cramer's law

14.

We can add two matrices having real numbers A and B if their

a)

order is same

b)

rows are same

c)

columns are same

d)

elements are same

15.

If the number of columns and rows are not equal in a matrix, then it is said to be a

a)

rectangular matrix

b)

square matrix

c)

diagonal matrix

d)

null matrix

16.

In matrices (AB)^t equals to

a)

B

b)

A

c)

A^tB^t

d)

B^tA^t

17.

(A^t)^t=_______

a)

B

b)

A

c)

A^t

d)

A^-t

18.

Matrix AxI= ________

a)

I

b)

A

c)

A^-1

d)

None of these

19.

The horizontal arrangement of numbers is called_______

a)

Element

b)

Row

c)

Column

d)

None of these

20.

ad - bc = _________

a)

Matrix

b)

Adjoint

c)

Determinant

d)

Constant

X Mathematics QUIZ III

Total questions: 20

Worksheet time: 20mins

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