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9th Class Mathematics Chapter 1 Matrices and Determinants English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
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P = Q
P
≠ Q
P < Q
P > Q
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Question # 2
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9
-6
6
-9
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Question # 3
Let A and B be two matrices. Then A is said to be equal to B, and denoted by A = B if and only if:
Choose an answer
Order of A = Order of B
Corresponding entries are equal
Either a or b
Bot a and b
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Question # 4
Transpose of A is denoted by:
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-A
A
A
t
(A
t
)
t
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Question # 5
If a matrix has m rows and n columns the order of matrix is:
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m-by-m
n-by-n
m-by-n
n-by-m
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Question # 6
The product in matrices AB, the number of columns of A must be equal to number _______ of B.
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Columns
Entries
Rows
None of these
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Question # 7
A matrix is called ______ matrix, if its number of rows is equal to its number of columns:
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Rectangular
Row
Column
Square
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Question # 8
General form of linear equation in two variables is:
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ax + by -m = 0
ax + by = m
ax + m = by
None of these
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Question # 9
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Square
Row
Column
Rectangular
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Question # 10
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zero
unit
scalar
singular
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Question # 11
Order of matrix P = [3 2 5] is:
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3-by-3
3-by-1
1-by-3
1-by-1
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Question # 12
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[-13]
[-3]
[3]
[13]
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Question # 13
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M
O
-M
I
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Question # 14
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6
3
-3
-6
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Question # 15
If A, B and C are comfortable for multiplication then A(BC) =
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AB
A(CB)
(AB)C
None
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Question # 16
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Associative
Distributive
Commutative
None
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