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
Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
The real numbers used in the formation of a matrix are called _______ of the matrix:
Choose an answer
Determinants
Matrix
Set
Element
Previous
Skip
Next
Question # 2
(AB)
t
=
Choose an answer
A
t
B
t
B
t
A
t
AB
BA
Previous
Skip
Next
Question # 3
(AB)
-1
= B
-1
A
-1
is known as:
Choose an answer
Law of transpose of product
Law of multiplicative inverse
Distributive law
Law of inverse of the product
Previous
Skip
Next
Question # 4
The order of matric [2 1] is:
Choose an answer
2-by-1
1-by-2
1-by-1
2-by-2
Previous
Skip
Next
Question # 5
Choose an answer
[2x + y]
[x - 2y]
[2x - y]
[x + 2y]
Previous
Skip
Next
Question # 6
A matrix is called column matrix if it has only one:
Choose an answer
Column
Row
Diagonal
None
Previous
Skip
Next
Question # 7
The matrix M = [2 -1 7] is called:
Choose an answer
Row matrix
Column matrix
Diagonal matrix
Zero matrix
Previous
Skip
Next
Question # 8
Choose an answer
Square
Row
Column
Rectangular
Previous
Skip
Next
Question # 9
Transpose of A is denoted by:
Choose an answer
-A
A
A
t
(A
t
)
t
Previous
Skip
Next
Question # 10
A matrix is called ______ matrix, if its number of rows is equal to its number of columns:
Choose an answer
Rectangular
Row
Column
Square
Previous
Skip
Next
Question # 11
Choose an answer
Previous
Skip
Next
Question # 12
The idea of matrices was given by:
Choose an answer
Leibniz
Cauchy
Arthur Cayley
Newton
Previous
Skip
Next
Question # 13
Let A,B,C be three matrices, then A(B+C) = AB + AC is known as:
Choose an answer
Cumulative property w.r.to '+'
Associative property w.r.t '+'
Left distributive law
Right distributive law
Previous
Skip
Next
Question # 14
Choose an answer
Associative
Distributive
Commutative
None
Previous
Skip
Next
Question # 15
If B+A=A=A+B, the B is called:
Choose an answer
Multiplicative identity
Multiplicative inverse
Additive identity
Additive inverse
Previous
Skip
Next
Question # 16
Choose an answer
-3
-4
3
4
Previous
Skip
Next
Back