More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Chapter 5 Matrics and Determinants Online Test MCQs With Answers
Question # 1
Choose an answer
0
1
-2
10
Previous
Skip
Next
Question # 2
System of linear equation is inconsistent if
Choose an answer
System has no solution
System has one solution
System has two solution
None of above
Previous
Skip
Next
Question # 3
The order of the matrix A is 3 x 2 and that of B is 2 x 3. The order of the matrix BA is
Choose an answer
3 x 3
3 x 2
2 x 5
5 x 2
Previous
Skip
Next
Question # 4
Choose an answer
An upper triangular matrix
A lower triangular matrix
A diagonal matrix
A null matrix
Previous
Skip
Next
Question # 5
Choose an answer
Zero matrix
Diagonal matrix
Column matrix
Scalar matrix
Previous
Skip
Next
Question # 6
The matrix A = [aij]mxn with m≠n is
Choose an answer
Rectangular
Symmetric
Square
None
Previous
Skip
Next
Question # 7
Choose an answer
(2x+a+b+c)
(a+b+c)
(a+b+c+x)
0
Previous
Skip
Next
Question # 8
Matrices A = [aij] 2 x 3 and B =[bij] 3 x 2 are suitable for
Choose an answer
BA
A
2
AB
B
2
Previous
Skip
Next
Question # 9
Choose an answer
Null matrix
Triangular matrix
Unit matrix
Rectangular matrix
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
Choose an answer
2 x 2
2 x 3
3 x 2
3 x 3
Previous
Skip
Next
Question # 12
Choose an answer
a = -1/2, b = -1
a = 1, b = 2
a = 2, b = 3
None of above
Previous
Skip
Next
Question # 13
The square matrix A is skew Hermitian when (A)'=
Choose an answer
A
A'
-A
A
Previous
Skip
Next
Question # 14
An equation of the form ax + by = k is homogeneous linear equation when:
Choose an answer
Previous
Skip
Next
Question # 15
Choose an answer
0
Independent of a
Independent of b
Independent of c
Previous
Skip
Next
Question # 16
Choose an answer
Previous
Skip
Next
Question # 17
If for the matrix A, A
5
= I, then A
-1
=
Choose an answer
A
2
A
3
A
None of above
Previous
Skip
Next
Question # 18
Choose an answer
k3
0
3k
k6
Previous
Skip
Next
Question # 19
If for the matrix A,A5 = 1,then A-1=
Choose an answer
A2
A3
A
None of above
Previous
Skip
Next
Question # 20
Choose an answer
Previous
Skip
Next
Question # 21
Choose an answer
0
1
2
4
Previous
Skip
Next
Question # 22
Choose an answer
(2x4)
(2x7)
(2x3)
(7x2)
Previous
Skip
Next
Question # 23
Choose an answer
Previous
Skip
Next
Question # 24
Choose an answer
Previous
Skip
Next
Question # 25
Choose an answer
Previous
Skip
Next
Question # 26
Choose an answer
Previous
Skip
Next
Question # 27
The transport of a square matrix is a
Choose an answer
Row matrix
Column matrix
Square matrix
Null matrix
Previous
Skip
Next
Question # 28
Choose an answer
3, -3, 11
3, 3, 11
-3, 3, -11
-3, -3, 11
Previous
Skip
Next
Question # 29
If A and B are two matrices such that AB = B and BA =A, then A
2
+ B
2
=
Choose an answer
2 AB
2 BA
A + B
AB
Previous
Skip
Next
Question # 30
Choose an answer
1
-1
0
I
Previous
Skip
Next
Question # 31
For non-trival solution |A| is
Choose an answer
A = 0
A
t
= 0
|A| = 0
None of these
Previous
Skip
Next
Back